Personally, I use regexr. It can build a regex for you, but also explains what each step does. - Source: Reddit / about 1 month ago
Regexr : Another online tool to learn, build & test Regular Expressions. - Source: dev.to / about 1 month ago
You should check regular expressions ;> see how much this slims your list :. - Source: Reddit / about 1 month ago
However, if you'd like to practice regex, check out https://regexr.com/ and write some expressions that match stuff in the example text. - Source: Reddit / about 1 month ago
This regex, first of all, looks for a number which is our first group, then a . (notice we had to escape the . Else it would match on any character as shown previously). The second group (.+) is looking for any character except line breaks 1 or more. Using the replace tools on https://regexr.com/ you can easily reference your groups. To reference the first group type in $1: And then to reference the second... - Source: dev.to / about 1 month ago
Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.
RegexBuddy - RegexBuddy is your perfect companion for working with regular expressions.
Regex Hero - Online Silverlight regular expression tester with instantaneous highlighting, C# and VB.NET code generation, code completion, regex analysis, benchmarking, and more.
RegexMagic - Use RegexMagic to generate complete regular expressions to your specifications by using RegexMagic's flexible patterns, instead of the cryptic regex syntax.
Debuggex - Debuggex is an intuitive visual regular expression debugger, tester, and helper.