Regular expressions are useful when searching for both 'apple' and 'apple' in text or extracting all lines containing URLs in a text file, but there are many people who know the basic mechanics of ...
Some say a set of regular expressions comprises a domain-specific language, or DSL; essentially, a mini-programming language. A full-blown programming language like Java or Python can do many things, ...
Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...
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