Download - The Bastards Book of Regular Expressions

Your first regex 30AnswerFind \bcat\bReplace dogThe regex match as done in Sublime Text 2Congratulations on learning your first regex syntax. Word boundaries are a very useful pattern tomatch, and not just for finding cats. Sometimes we want to match just the last – or the first – digitof a string of characters, for instance.That backslash character will be a recurring character in our regex exploration, and one that hasdifferent effects when combined with different characters and contexts. For now, it’s good enoughto tell it apart from its forward-facing sibling.