Perl
Use this handy pocket guide to learn about Perl-Compatible Regular Expressions. This app contains a reference for metacharacters and escape sequences to help build expressons in the tester. The tester will validate and execute your pattern against a subject string you supply. An optional replacement string may be specified as well |
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Become a master of regular expressions. With Regexen, you'll be able to visualize the matching behavior of a regular expression against any target text that you enter. Whether you are beginner or you're a seasoned expert, you'll find that Regexen will allow you to easily experiment. |
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