Online regex tester and debugger: JavaScript, Python, PHP, and PCRE
Really powerful tool for testing complex regular expressions against sample text.
#regex
Rubular: a Ruby regular expression editor and tester
Rubular: a Ruby regular expression editor and tester
Rubular is a Ruby-based regular expression editor. It’s a handy way to test regular expressions as you write them.
Comparing E-mail Address Validating Regular Expressions
Comparing E-mail Address Validating Regular Expressions
Awesome comparison of some popular/suggested regular expressions and how accurate they really are when validating email addresses.
Tech Cheat Sheets
Awesome collection of cheat sheets for all sorts of tech.
Urban Giraffe WordPress Plugins
Urban Giraffe WordPress Plugins
Some good plugins for WordPress.