Mastering Regular Expressions by Jeffrey Friedl! I was fresh out of college where I literally memorized certain regular expression patterns for a Unix class exa

Mastering Regular Expressions by Jeffrey Friedl! I was fresh out of college where I literally memorized certain regular expression patterns for a Unix class exam just to pass. It was only when I started an actual job in development did I realize what a powerful tool regexes are and was recommended this book. It explained everything so clearly and easily that to this day I love regular expressions.