1.the string can be of lenght 3 or 4 2.the string should start with a alphabet 3.the string should contain atleast one alphabet and number.

Basic XML key-value extraction

A basic validator for BR phone numbers

Allows to find label generating warnings like "Automatic Preferred Max Layout Width before iOS 8.0" in XCode

\seval\(base64_decode\(?\)\);

matches normal email addresses like example@gmail.com but also addresses with ip addresses like example@192.168.0.34 (not ipv6)

Regex to constrain a text to have at least 2 strings. Compatible with 2nd-3rd-Nth names/surnames.

matches only those commas that are between sets, or between members of a set. does not match commas that are inside members.

Validating comma delimited strings for whitespaces & extra commas -- +(,()+){0,}

a simple username pattern

In between 2 delimiters