Regular expression to check the email syntax validity. Certainly requires improvement, but it's a good basis to work from. Work with Java and JavaScript.

CRON validation Validates CRON pattern (Quartz) and supports groups. Useful for e.g. typescript or other typed languages. The following greoups are covered: second...

Simple name matching Matches english names only, you may add international characters to list of characters.

This pattern matches the US Postal Code format and captures the seperate parts; basic and +4.

Italian VAT

tests for valid social security numbers according to the social security administration. more specifically: -disallows a group to have all 0s -disallows first group to have all 6s -disallows a ssn to begin with 9 note that this does not test for issued ssn's. that would be impossible to implement h...

validates strings in time format HH:mm with hour in 24h format. only accepts up to 23:59

Separates media query into rule and content

validate an IP v4

Capture src attribute of HTML image tags

Replace non-ending string \n by the HTML tag

I am trying to extract the asp:label syntax using Regex but I am getting some error can some one help me

match any string outside of single or double quotes

negation