Learn Regular Expressions the Hard WayLearn the arcane secrets of .*[a-z]+ to process text. Learn RegEx The Hard Way is a fast crash course in regular expressions and text processing using Python. It teaches RegEx using the same successful exercise based training method all The Hard Way books use so you know it works. You'll also use Python to process text with regular expressions and learn when and when not to use them. Get the cours
Rubular: a Ruby regular expression editor and tester
