Regex For 10 Digit Phone Number

The digits inside the brackets can be any numbers or span of numbers from 0 to 9. Say, I have three Phone Number fields that should be checked if the values meet the following requirements: phone numbers should be 10-12 digits in length; only numbers are accepted "+" symbol in the beginning of the number is still acceptable; I came up with a rule using REGEX but it. The fully-new recipes cover creating a regex-based parser, validating password complexity, adding thousands separators to numbers, matching various kinds of numbers, decoding XML entities, and everything in the new Source Code and Log Files chapter. Regular expressions, also called regex, is a syntax or rather a language to search, extract and manipulate specific string patterns from a larger text. Those of us that work with Linux also use Regular Expression, often without knowing it. - Stack Overflow; Converts phone numbers to the formatting standard; Frontier airlines reservations phone number 1-800-350-1730 for booking; regular. Regex for matching expression that consists of single digit numbers and operators. In today’s post I’ll show you how to use JavaScript regular expression to validate U. Regular Expressions (Photo credit: Jeff Kubina) This a quick post regarding how to validate US and Canada phone number in very possible formats. I tried the following and it does not work. All geographic telephone numbers in Australia are now a standard single-digit area code followed by an 8-digit subscriber number. We use Regex. Thank you!. The string returned is in the same character set as source_char. It would match the first number it found, which would be the 3 from '3 bananas'. For example, the translation pattern regular expression of +1425$1 describes a translation that adds a prefix of +1425 to the captures (the phone pattern items in parenthesis). The first one matches a number comprised of either 10 digits, or 11 digits if the first number is 1. I didn't work. A regular expression (or RE) specifies a set of strings that matches it; the functions in this module let you check if a particular string matches a given regular expression (or if a given regular expression matches a particular string, which comes down to the same thing). KoBo allows restricting possible responses to text questions (and technically any other question) by using the very powerful regular expression syntax, or regex. ) Sometimes the above phone numbers are prefixed with an +1 or 1. +) +9$1 Prepend 85 to the left of the rightmost 5 digits of LDAP phone number if LDAP phone number is 10-digit long. 123 provides following specifications. Some of them are as follows - Fetch email addresses mentioned in the long paragraph; Validate 10-digit phone number, Social Security Number and email address; Extract text from HTML or XML code; Rename multiple files at a single run. Phone Regex Phone Number Regular Expression. Your user interface should take care of the formatting problem by having a clear documentation on the format and/or split the phone into parts (area, exchange, number) and/or have an entry mask. 5-8 Digit Account Number with support Detection of any 5-8 digit number in proximity to an account number support term (can be used for various account types as long as they are 5-8 digits). Here's one that we use that's pretty nifty. The regular expression is: ^0+ The above expression will remove all leading zeros. 164 numbering scheme, as well as a SIP URI. See Dialplan_XML for complete examples of the regular expressions used in conditional statements in the dialplan. The parsing demo above uses the regular expression '[^,]+' which does not work when there is a NULL element in the list. Valid E Mail Address and 3. EAN13CheckDigit for EAN-13, UPC, ISBN-13 check digit calculation. Regular Expression (Regex) for Phone Numbers - International and U. Here is an example International Telephone Input I wouldn't try to do this from scratch. regexp_substr Funkcja zwraca z podanego tekstu pierwszy element pasujący do wzorca. RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). How to create a validation rule on phone number, it should be in. Regular Expression Syntax¶. ie =right(A1,8). Re: C# code to validate email and 10 digit US phone number Apr 06, 2017 08:51 AM | kaushalparik27 | LINK There is no known specific issue related to Regex in webforms that can cause postback, except it cannot validate blank value if you specify Regex not to accept blank value. The Oracle / PLSQL TO_NUMBER function converts a string to a number. test call advances regexp. Validates the area code with regular expression: 5. Binary Converter Regex Tester isn't optimized for mobile devices yet. Net Community by providing forums (question-answer) site where people can help each other. In the phone number example from above, we want to find series of 10 digit numbers, and format them so that we have an open parenthesis followed by the first three digits, followed by a closed parenthesis, followed by a space, followed by the next three digits, followed by a hyphen and finally followed by the remaining four digits. The Pattern class provides no public constructors. Use a simpler pattern Re. At first we validate a phone number of 10 digit. This must be an object of a basic_regex type (such as regex ), generally constructed from a string with a special syntax that describes what constitutes a match (see ECMAScript syntax ). Hope it will help you to solve your issue. phone number by using the repeat quantifier syntax. In this article, I will try to give the regular expressions, which are used for pattern matching purpose. Same for Numbers, you can use \p{Nd} for Decimals. i am using the tinymce editor and i am saving the content in db. c# Winform textbox formatting for phone number I have a winform textbox field that is for phone number. search Regular Expression In Python For E-Mail And Phone Number. At the bottom of the page is an explanation of all the regular expression operators as well as the functions that work with regular expressions. If one writes their own code for the keystroke, formatting, and validation one can include verification for valid area codes and possibly exchanges. (It you want a bookmark, here's a direct link to the regex reference tables). 5e8 (150 million in scientific notation). Regular expression to accept 10 digit number \d {10} This regular expression refers to a pattern which accepts 10. In fact, I use a plugin for my international SMS app. share This command is applicable only for 10 digit Indian mobile numbers starting with 7,8 or 9. i have this free flowing data field in a varchar2 column that i am cleaning up. The second group of three digits, known as the central office or exchange code, starts with a number from 2-9, followed by any two digits. The tables below are a reference to basic regex. Re: regex function for vb to find phone number patterns took the words right out of my mouth fellas. Regular Expression Syntax¶. The numbers directly before the word 'balloon' 2. Online regular expression tester (regex calculator) allows to perform various regular expression actions on the given text: Highlight regexp - highlights parts of the text that matches the regular expression. garyhatt Jun 10, 2013 2:32 PM I am trying to get this to allow me to choose either a 5 digit number, or a 10 digit number. What is Regular Expression or RegEx A regular expression provides a concise and flexible means to recognize strings of text, such as particular characters, words, or patterns of characters. Write a program to validate form data such as name, username, email id, phone number, Date of birth, password, credit card number, etc. changing number regex to allow spaces for phone number. The excahange is the 697 in "773-697-9999". A data-mask regex for scrubbing 16-digit VISA card numbers with optional spaces or dashes as matching delimiters between the number groups. Validating through Regular Expression in javascript -. Regular Expression (Regex) for Phone Numbers - International and U. I used 2 different expressions to show how to capture a phone number that doesn't have spaces (just in case you needed it). So, I have 50+ words and I have to match the numbers in them. First, I started with something a little too complicated: I wrote the regex to follow the exact pattern of numbers and special characters (parentheses and dashes). For example, we can use Regular Expression to check whether the user input is a valid Social Security number, a valid phone number or a valid email number, etc. Summary: The Scripting Wife learns how to use a regular expression pattern to look for phone numbers in text files. Here’s something neat you learn by scanning the regex: the default validation allows for extensions on the phone numbers in a number of formats, like 555-1234 ext. Some examples are 1)area code in paranthesis. Random Numbers Combination Generator Number Generator 1-10 Number Generator 1-100 Number Generator 4-digit Number Generator 6-digit Number List Randomizer Popular Random Number Generators Games Lotto Number Generator Lottery Numbers - Quick Picks Lottery Number Scrambler UK49 Lucky Pick Odds of Winning Flip a Coin Roll a Die Roll a D20. To search anywhere in the string for exactly 10 consecutive digits and not more you can use negative lookarounds:. Since Regular Expressions are beyond the scope of this tutorial, I won't try to explain it, other than it simply tells the validator that a value of 4 digitgs is acceptable, and nothing else. Obviously, for most of your basic phone number validation needs in ASP. This way we make sure to get the very last digit in the phone number. not word, digit, whitespace [abc] any of a, b, or c. Validate any international phone number as per E. I see a lot of people trying to put together phone regex's and struggling (hey, no worriesthey're complicated). Uses of Regular expression There are several use-cases of regular expression in real-world. No more or no less than 10 numbers. ) Sometimes the above phone numbers are prefixed with an +1 or 1. regex with Regular expression to match standard 10 digit phone number simple phone number regex (12) I want to write a regular expression for a standard US type phone number that supports the following formats:. Java Regular Expression Example. Removing Parenthesis, spaces and dashes from Phone numbers I have a spreadsheet with phone numbers in the format of (111) 222-3333. At first we validate a phone number of 10 digit. Otherwise you'll need to adjust the first set of digits if you have different requirements. It then stores the telephone number internally in seperate codes (area code, exchange, etc. previously 1 digit and later on 9 digits ==> total 10 digits were counted and validated. US ZIP code (U. Topics Cover in this video : Phone Number validation with Accept Only numbers with 10 digit limit allow keys back space and delete for edition. Using Regex to Find Valid Credit Card Patterns with T-SQL. Formats I have been looking all over the web for a regular expression to use in JavaScript functions to help with formatting phone number links and printing phone numbers on pages for iPhones, Android, and other mobile devices. The following regex will extract the words and number into named capture groups of Number, TooBig and Word. Python has built-in support for regular function. Next, minutes must be from 00 to 59. Regular Expression References. The second group of three digits, known as the central office or exchange code, starts with a number from 2-9, followed by any two digits. phonenumberutil. Five digits, first two indicate the province. Should not allow text values. C# Regular Expression to validate phone number Aug 1 2015 5:06 AM Hi please help me how to do validations for phone number in c# and the phone numbers must allow only country code followed by mobile Number. In the phone number example from above, we want to find series of 10 digit numbers, and format them so that we have an open parenthesis followed by the first three digits, followed by a closed parenthesis, followed by a space, followed by the next three digits, followed by a hyphen and finally followed by the remaining four digits. We don't know what number was used for the first digit, but we do know that it was in the set {2,3,4,5,6,7,8,9} and therefore it cannot be used for the second digit. I am trying to match 10 digit phone numbers (that start with 2-9) that are on word boundaries (i. There are three different ways to get the number 37 out of the above text using a regular expression. or phone numbers that are 10 digits if there is not a better way to remove leading 1 from american phone numbers only then: make 10 digit phone numbers 9 digits by removing leading 1. Regular expressions are used when you want to search for specify lines of text containing a particular pattern. form validation, javascript form validation using regular expression In this tutorial you will see how to use regular expressions to validate. Conference Call Dialer was developed for people that because of their job have to call into multiple conference calls a day. Sometimes, you've got a larger block of text that may or may not have some phone numbers inside it. It should have only 10 numbers. Sometimes you need a pattern where any digit or letter should make the match. And there are probably a lot more combinations. Welcome back, my novice hackers! This next subject might seem a bit obscure, but I promise you, this lesson will benefit you significantly either as a hacker or system admin. An USA phone number has ten digits, it comprises of : a three digit area code, subscriber number of seven digit. You can think of regular expressions as wildcards on steroids. \s \d matches a whitespace character followed by a digit. So, I have 50+ words and I have to match the numbers in them. I didn't work. validating a textbox for 10 digit mob no. Other threads similar to How to format a 10-digit into a phone number? Java in General. to denote a digit in regular expression as given below. We use Regex. "Do something" doesn't r. occassionaly user inputs alphabets also in India we have ten digit format for cellno starting with 9 i am trying to select only mobile no from col1 and col2 using regexp_like expresssion as follows SELECT LBRCODE,PRDACCTID, *(case when regexp_like (tel1. A valid mobile number is a ten digit number starting with a or. For a tutorial about Regular Expressions, read our JavaScript RegExp Tutorial. If telephone number contains 11 digits there are 2 cases · If 11 digit number starts with 1 it will automatically convert in the 10 digit format by removing the 1 in the number Ex: If the number is like this => 12365478963 It will be saved as in Salesforce => (236) 547-8963 Note: It removes the 1 and formats the other numbers as like 10 Digit. i have this free flowing data field in a varchar2 column that i am cleaning up. I'm looking for a simple regex that will validate a 10 digit phone number. A regular expression may appear gibberish but they aren’t so difficult to read and understand if you can know the basic rules of the language. Javascript Phone Number Validation International Phone No. In the previous example, the validator checked for alphanumeric values in the textbox. In this case, I've a TextBox control on an ASP. Hi Dave, Thanks for your reply. Tip: Use the [^0-9] expression to find any character that is NOT a digit. For mobile number. That means when you use a pattern matching function with a bare string, it’s equivalent to wrapping it in a call to regex() : # The regular call: str_extract (fruit, "nana" ) # Is shorthand for str_extract (fruit, regex ( "nana" )). Required 10-digit dialing - Digital Phone Support - AT&T. \b matches backspace characters, which seems a little odd in a phone number. share This command is applicable only for 10 digit Indian mobile numbers starting with 7,8 or 9. I need to convert these numbers to area code + local number. And you wanted to know how many balloons you had, the above regular expression wouldn't work. Thus [A-Z]* matches any number of upper-case letters, including none, while [A-Z][A-Z]* matches one or more upper-case letters. This could result in returning the wrong element's data. You may want to use something like the expression below, which requires the text to both have at least 10 characters, and have 3 digits, followed by an optional character, followed by 4 digits. HTML5Pattern is a source of regularly used Input-Patterns. More on the theoretical background and practical use of regular expressions (there is lots to cover!) can be found in the book Mastering Regular Expressions by J. This regexp also fails to check that all UK Mobile phone numbers start 07. You can still take a look, but it. Oracle implemented the ability to use Regular Expressions in the Oracle 10g database, but Regular Expressions have been around for many years. JavaScript, Python, and PCRE. The following example shows how you can validate an International Phone number in your forms using Javascript. S phone number. The digits inside the brackets can be any numbers or span of numbers from 0 to 9. The below regular. You can also specify optional regular expression flags. Group1: Country Code (ex: 1 or 86) Group2: Area Code (ex: 800) Group3: Exchange (ex: 555) Group4: Subscriber Number (ex: 1234) Group5: Extension (ex: 5678). 2)space between different parts of the phone number. Validate credit card numbers entered on your order form. Phone Regex Phone Number Regular Expression. Only if that causes the entire regex to fail, will the regex engine backtrack. Area Codes 001-199 are not permitted; Central Office Codes 001-199 are not permitted. Validate a 10 digit phone number. ie, x1234, x234567, etc. I can't seem to find the regular expression to work in this code that will validate the phone number in this format. Almost perfect email address regular expression. That said, please do not suggest other customer send you their information. A common requirement is extracting a number from a string. How to create a validation rule on phone number, it should be in. what is the condition please tell me anyone. When end user entering value for phone number it should only allow mentioned special characters + - and numeric numbers. It is written entirely in JavaScript, HTML, and CSS to provide live validation and match feedback on your regexs. No more or no less than 10 numbers. 1 at sourceforge or the package at cacas. 123 The rules and conventions used to print international phone numbers vary significantly around the world, so it’s hard to provide meaningful validation for an. The following regular expression in ASPX file validates the number. In the Common Patterns dropdown menu that appears after selecting Regex, select US Phone Number. If phone number has less digits than required, format string will be filled from right side and left side will be missing. Your code appears to be aimed at testing whether a consecutive 6 digit number occurs in each cell in Sheet1 A1:D10, ie you are looking for a Boolean True/False so. You can document your own regular expressions in the same way. Regular expressions are great, but there's some problems you just shouldn't tackle with them. In the next example, we'll apply regular expressions to look for a 16 digit credit card that begins with a number from 1 to 6 as a possibility follows the format of a separator between each set of 4 digits, with the separator not being a number. Global = True. If you use /\dt/, SAS finds the digits in the string “Raleigh, NC 27506”. This function, introduced in MariaDB 10. For phone numbers, even if we did match all of the rules in NANP, there's still no way to know if a phone number is real. I have a contact form that I am validating with jquery validation. Previously we talked about validating email , Social Security number and zip code using JS regex. 3)no space between different parts of the number. I think I tried every way there is, but nothing seems to work (I need to remember the number. Here we gonna use a regular expression (regex) to validate a phone number along with pattern attribute of the HTML5 input field. But those days are past and a 10 digit number is required for basically all phone calls. That is, the plus causes the regex engine to repeat the preceding token as often as possible. \A[0-9,A-Z]{10}\z * \A anchors the expression to the start of the input string * [0-9,A-Z] matches an alphanumeric characte. Only 10-digit phone numbers without parentheses around area codes are considered. Regular expressions are used when you want to search for specify lines of text containing a particular pattern. You may assume that a valid phone number must appear in one of the following two formats: (xxx) xxx-xxxx or xxx-xxx-xxxx. Hope it will help you to solve your issue. Java regex validate 10 digit number. (The digits change) This is what I have so far. What is the Regular Expression for a 6 digit Phone number field; Validation control and Phone; phone number regular expression problem; Phone number regular expressions; Validate US Phone number with Regular Expression; Regular Expression for UK phone numbers, postcode etc. SELECT regexp_substr('This is an interesting chapter', '[[:alpha:]]+', 1, level) regexp_substr. Regular expression patterns are expressed using a combination of characters and predefined meta characters. At first we validate a phone number of 10 digit. 10-digit phone number with hyphens match whole word Find Substring within a string that begins and ends with paranthesis Simple date dd/mm/yyyy all except word RegEx for Json Match if doesn't start with string Find any word in a list of words nginx rewrite Match anything after the specified Brickseek. The phone number should be 10 digit number. (It you want a bookmark, here's a direct link to the regex reference tables). Finding or Verifying Credit Card Numbers. ABANumberCheckDigit for ABA Number (or Routing Transit Number (RTN)) check digit calculation. 3 replies Beginning Java. Pattern Class − A Pattern object is a compiled representation of a regular expression. Eliminate invalid phone numbers. What is Regular Expression or RegEx A regular expression provides a concise and flexible means to recognize strings of text, such as particular characters, words, or patterns of characters. If replace_string is a CLOB or NCLOB, then Oracle truncates replace_string to 32K. How to find all numbers in a string using Regex. SELECT regexp_substr('This is an interesting chapter', '[[:alpha:]]+', 1, level) regexp_substr. Don't be too strict. c) The number of all phone numbers with at. But i need a single regular expression which will accept either of the formats. Symbol Explanations: =~ This operator appears between the string var you are comparing, and the regular expression you're looking for (note that in selection or substitution a regular expression operates on the string var rather than. If you want to limit matches to valid phone numbers according to the North American Numbering Plan, here are the basic rules: Area codes start with a number from 2-9, followed by 0-8, and then any third digit. Shows how to match complete lines in a text file rather than just the part of the line that. Another quantifier that is really common when matching and extracting text is the ?. ie, x1234, x234567, etc. Hi im creating a form and need to validate that he phone number is actually a USA based or Canada base phone number. Having phone numbers from out of the state which require an area code, or international numbers which require a prefix will add complexity to the regular expression, as does the individual preferences that people have for entering phone numbers (some put dashes or whitespace while others do not for. a beneficiary ID number such as "adtqr" that had previously been assigned by the program prior to distribution. Our validation software can be integrated directly into your web forms or other client-facing applications. its a spreadsheet with data extracted from a classifieds site. Please see the picture for the desired output. See Dialplan_XML for complete examples of the regular expressions used in conditional statements in the dialplan. For example, the translation pattern regular expression of +1425$1 describes a translation that adds a prefix of +1425 to the captures (the phone pattern items in parenthesis). replace_string can be of any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. Follow him on Twitter, or befriend him on Facebook or Google Plus. Format Phone Number: 9. Some examples are 1)area code in paranthesis. Regardless of the way the phone number is entered, the capture groups can be used to breakdown the phone number so you can process it in your code. Australian phone numbers: Matches all known formats incl normal 10-digit landline numbers (valid area code mandatory) 13, 1300, 1800, 1900, 1902 plus mobile 10 and 11-digit formats. What is regex code for 10 digit mobile number. This section discusses the functions and operators available for regular expression matching and illustrates, with examples, some of the special characters and constructs that can be used for regular expression operations. Once you've got a phone number, a common task is to format it in a standardized format. REGEXP_REPLACE. The regex function regex(. The following code snippet outputs “Phone number found” since regex_search returns true if it finds a match to the regular expression anywhere in the target string: string text = "Call me at (907) 867-5309";. See Dialplan_XML for complete examples of the regular expressions used in conditional statements in the dialplan. That is, it will go back to the plus, make it give up the last iteration, and proceed with the remainder of the regex. Area Codes 001-199 are not permitted; Central Office Codes 001-199 are not permitted. Below is a tiny function that will take any 10 digit number and convert it into the following phone format: 970-313-2428. There were changes expected to be completed for certain services such as operator, calling card and satellite. Some countries have fixed mobile number length while others have variable length format. code and ext. For this, the PhoneNumberMatcher object provides the relevant functionality; you can iterate over it to retrieve a sequence of PhoneNumberMatch objects. We then loop through the result strings, with a foreach-loop, and use int. When applied to 1 + 2 = 3, the former regex matches 2 (space two), while the latter matches 1 (one). I've just updated the above a little to make it a little faster with * and not to p rint blank lines after removing the non-{numeric,space} characters. A list of useful regular expression examples. 4)dashes between parts. Grep finding phone numbers in files. I have tried regular expression REGEXP_EXTRACT([Phone Number],"([0-9]+)") but that only gives me the first set of the number. A regular expression may appear gibberish but they aren’t so difficult to read and understand if you can know the basic rules of the language. All you have to do is check the current match for a Number and it is guareenteed to be 1-3 in size. 3 replies Beginning Java. using regex in Java. I can't seem to find the regular expression to work in this code that will validate the phone number in this format. I want regular expression to validate mobile no in form 91-9876657654 or 9887676545 or 919887676545 (without -) or 1-6314555173 i. I want to make a regular expression for 10 digit mobile numbers with telephone numbers. There are many flavors of regex. The entire pattern match only 7-digit numbers starting with 349 and only stores the last 4 digits in the. If your phone number strings happen to have backspace characters at the end, it will still match, but I would not require it be there. Regular expression (pattern): The pattern which is searched for in the target sequence. The menu items TRANSMIT, TRANSMIT TRAILER, and TRANSMIT TRAILER CTRL-D will now prompt for a file to transmit, if no input file is open. However, for some reason it also requires them when creating a record - like a required field. The following regular expression in ASPX file validates the number. You may assume that a valid phone number must appear in one of the following two formats: (xxx) xxx-xxxx or xxx-xxx-xxxx. {1,3} represents 3 digit number [0-9] represents range number starting from 0 to 9 [0-9] {1,3} represents 3 digit number where each digit starts from 0 to 9. Java Regular Expression Tutorial - Java Regex Groups « Previous; Next » We can group multiple characters as a unit by parentheses. A common task is trying to find all strings within a larger string that look like a phone number. Online regular expression tester (regex calculator) allows to perform various regular expression actions on the given text: Highlight regexp - highlights parts of the text that matches the regular expression. How to use Regular expression for validating Phone Numbers in. Returns true if the value contains a valid decimal number. NumberParseException: (1) The string supplied did not seem to be a phone number. 10-digit phone number with hyphens match whole word Find Substring within a string that begins and ends with paranthesis Simple date dd/mm/yyyy all except word RegEx for Json Match if doesn't start with string Find any word in a list of words nginx rewrite Match anything after the specified Brickseek. Is This A Good Question/Topic?. I am trying to simplify my telephone number validation and I just want a regular expression to check that the input is only numbers and must be 10 digits. Learn Data Science by completing interactive coding challenges and watching videos by expert instructors. Below is a tiny function that will take any 10 digit number and convert it into the following phone format: 970-313-2428. Hi Dave, Thanks for your reply. In today's post I'll show you how to use JavaScript regular expression to validate U. i would like to get those values that have a total of 10 digits in all and might contain these characters :. Flags that allow for global searching, case insensitive searching. Net MVC Razor. The regex [0-9] matches single-digit numbers 0 to 9. Validates the local 4 digit phone number with regular expression: 7. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. Certain repetitive and sequential groups common to many false CCN s are ignored, impacting approximately 0. I want users to enter only digits and the beginning number must be always zero. Back to Help Index. I may have 12 digit numbers like 23-456-213-765. For example 1234567890, 0999990011, 8888855555 etc. there is white space around them. To validate a US phone number you might create a simple regular expression \d{3}-\d{3}-\d{4} which will match a phone number like 123-555-1212. Phone number validation with HTML5 - Use type and pattern attribute in HTML input field to validate a phone number. Follow him on Twitter, or befriend him on Facebook or Google Plus. is the ending delimiter for a regular expression. These patterns are used with the exec and test methods of RegExp, and with the match, matchAll, replace, search, and split methods of String. You can also specify optional regular expression flags. REGEXP_LIKE Examples : In my previous article, I have explained different regular expressions with its description. what is the condition to get only 10 digits for mobile number. Your user interface should take care of the formatting problem by having a clear documentation on the format and/or split the phone into parts (area, exchange, number) and/or have an entry mask. It should have only 10 numbers. Regular expressions are used when you want to search for specify lines of text containing a particular pattern. To use regular expression you need to import [crayon-5db73717aec41745602642-i/] module. phonenumberutil. Through a list of examples , we will build a script to validate phone numbers , UK postal codes, along with more examples. I would omit it. replace_string can be of any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. Apr 14 2018 3:13 PM i have created a textbox validation for 10 digit mob number but this is not working am i wrong anywhere. Regular Expression needed for 10, 11, or 12-digit number in code behind [Answered] RSS 2 replies Last post Nov 29, 2010 02:16 PM by xanalyth. or Canada phone numbers so additional codding is needed to make sure only the 10 digit number is included. KoBo allows restricting possible responses to text questions (and technically any other question) by using the very powerful regular expression syntax, or regex. Regular expression patterns are expressed using a combination of characters and predefined meta characters. Another quantifier that is really common when matching and extracting text is the ?. Last 2 digits: delivery area, secondary delivery route or link to rural areas. My regex examples will intentionally be very basic.