The Best PHP Regular Expression Tester 2013

The best PHP Regular Expression Tester 

The best regular expressions tester for PHP in 2013 is

http://www.lumadis.be/regex/test_regex.php 

The best Regular Expression Tester App

Netspresso Lite is the only application that highlights replacements, not just matches!!!

Netspresso Lite is a power tool and part of Clipboard Plaintext PowerTool. 
The only tool to expand and explain regex substitutions, another 1st. 

Humour

Regex Humor - Please add to this list 

// # What's up, dude?

/.*/        # Whatever!  (#)
! /./       # Not!
/[#!%$&*]+/ # Screw you!