Searching strings with regular expressions
The regular expression API became part of JDK since v1.4. Pattern,
Matcher, and String classes contain functionality for regular expression matching and replacement that may not always be obvious, especially for complex use cases.
Luckily, Groovy adds some syntax sugar and functionality to support regular expressions in a more native fashion that will be demonstrated in this recipe.
Getting ready
We assume that you already have familiarity with regular expressions. This recipe will only focus on the features added by Groovy to the already rich infrastructure offered by Java to deal with regular expressions.
How to do it...
To begin with, Groovy offers a simple way to create Pattern objects using the ~/pattern/ ...
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