Resources for Learning Regular Expressions (RegEx / RegExp)

Regular Expressions (better known as RegEx) is still something of a mystery for me because I don’t use it often enough to commit it memory.  Every time I find a situation where using a RegEx would be ideal, I have to start from scratch and find some useful resources to help me overcome forgetfulness or learn some new syntaxes to accomplish the goal.

Future Self: Remember these sites!

Regular Expressions tutorial and explanations http://www.regular-expressions.info

Learn Regular Expressions with simple, interactive exercises at http://regexone.com/

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp) http://regexr.com/

Online regex tester, debugger with highlighting for PHP, PCRE, Python, Golang and JavaScript https://regex101.com/

regular expression generator (perl php python java javascript coldfusion c c++ ruby vb vbscript j# c# c++.net vb.net) https://txt2re.com/

As you move down the list, it gets more advanced with fewer explanations but that’s not to say the sites don’t provide resources to help you understand what’s actually happening.

If you know of others please share – I need all the help I can get!

Good Providence to you!

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