Below, we use this regex and call the replaceAll(String replacement ... Here’s an example: java RegexDemo (?itree Treehouse In this case we’ve failed to specify the closing parenthesis ...

This is really more of a problem of backslash treatment in Java Strings. Groovy makes this much nicer to use by providing the ability to specify the regular expression used in a Pattern with ...

All but the most casual Linux users no doubt have encountered regular expressions, if only in a cursory manner. Regular expressions are extremely powerful and flexible pattern-matching and -replacing ...