Checks whether given text is valid Email Id,check for top level domains which are 2-3 in length,does not accept numbers for top level domains

Matches HTML structure

from 0.0.0.0 to 255.255.255.255

regex to allow unicode chars & digits in config values

This validates version numbers that adhear to the Semantic protocol e.g. in form of xx.xx.xx or 1.2.2

To identify quoted strings, single terms as well as subtracting those types. Based on: http://stackoverflow.com/questions/1883188/google-like-search-query-tokenization-string-splitting

For use in testing SpellChecker(MHApps)

Finds Typescript's reference path syntax.

Valida se é um CPF ou um CNPJ válido, independente da máscara

Basic sas boundaries, %macro proc %include etc

This string can help you locate/select the last underscore in a string

Parse full URL and find parts

Picks up %macro, %inc, data step, and proc boundaries.

Matches ordinal numbers

#starts with abc, has 123 and ends with xyz abc123xyz