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Write a Regular Expression to Validate an Email Address
Over the years I have slowly developed a regular expression that validates MOST email addresses correctly, assuming they don’t use an IP address as the server part. I use it in several PHP programs,...
View ArticleJava Regular Expression to Validate an Email Address
I have an email address validation regex Which I use in the code like this: public class Test { public static void main(String[] args) { try { String lineIwant = "myname@asl.ramco-group.com"; String...
View ArticleRegular Expression to Validate Email Address C#
I use this @"^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$" regexp to validate the email ([\w\.\-]+) – this is for the first-level domain (many letters and numbers, also point and hyphen) ([\w\-]+) – this...
View ArticleRegular Expression to Validate Email Address in Aspnet
Does anyone know what the regex used by the email validator in ASP.NET is? Pretty please. Solution Here is the regex for the Internet Email Address using the RegularExpressionValidator in .NET...
View ArticleJavaScript String Replace Newline Character
I have a text in a textarea and I read it out using the .value attribute. Now I would like to remove all linebreaks(the character that is produced when you press enter) from my text now using .replace...
View ArticleRegular Expression for Alphanumeric and Underscores
Trying to check input against a regular expression. The field should only allow alphanumeric characters, dashes and underscores and should NOT allow spaces. However, the code below allows spaces. What...
View ArticleHow Do I Count the Number of Occurrences of a Char in a String
This question already has an answer here: How would you count occurrences of a string within a string? 25 answers I am trying to get the number of occurrences of a certain character such as & in...
View ArticleRegex for Numbers Only JavaScript
hash = window.location.hash.substr(1); var reg = new RegExp('^[0-9]$'); console.log(reg.test(hash)); I get false on both “123” and “123f”. I would like to check if the hash only contains numbers. Did...
View ArticleRegex for Numbers Only PHP
I know this might sound as really dummy question, but I’m trying to ensure that the provided string is of a number / decimal format to use it later on with PHP’s number_format() function. How would I...
View ArticleRegex for Numbers Only C#
I haven’t used regular expressions at all, so I’m having difficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is...
View ArticleRegular Expression Field Validation in jQuery
I am using the jQuery validation plugin. Great stuff! I want to migrate my existing ASP.NET solution to use jQuery instead of the ASP.NET validators. I am missing a replacement for the regular...
View ArticleRegular Expression Validation in jQuery
I’m not too sure about how to do this. I need/want to validate email addresses by regex using something like this:...
View ArticleMatching a Space in Regex
I need to match a space character in php regex. Anyone got any ideas? EDIT I mean like “gavin schulz” the space in between the two words. I’ll make another clarification. I did try and find more info...
View ArticleMatch Space in Regex Java
The Java API for regular expressions states that \s will match whitespace. So the regex \\s\\s should match two spaces. Pattern whitespace = Pattern.compile("\\s\\s"); matcher =...
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