At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.
Rubular is a Ruby-based regular expression editor and tester. It's a handy way to test regular expressions as you write them.
Regular expression visualizer using railroad diagrams.
RegexBuddy is your perfect companion for working with regular expressions.
Pythex is a real-time regular expression editor for Python, a quick way to test your regular expressions.
RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions
Myregextester.com is the premier online regular expressions tester that allows visitors to construct, test, and optimize regular expressions.
PyRegex is a online regular expression tester to check validity of regular expressions in the Python language regex subset.
nRegex is a web based regular expression evaluator.
Regular expression tool. Help you validate your regular expressions in different languages.
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