Regular Expressions 101

using recursion, atomic group http://stackoverflow.com/questions/26385984/recursive-pattern-in-regex

First iteration of Property/(Yield)Function/Event Parser for Roblox API Dump

Checks if a Bitcoin Address is in valid Base 58 format

A validator/parser for math expressions. Written on PCRE regex. To change settings, change the 0 to 1 or 1 to 0 after a setting, example: (?){1} to disable, change to (?){0}

Extract a url from as string

Using exactly four 9s and no other digits, write an equation which evaluates to 100

except russian, greek and arabic alphabets.

regex for changing recording path

Two words, each word first letter capital