Based on our record, Visual REGEXP seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Note that you can train and test regexes on pages like regex101.com, or locally (visual-regexp). Perhaps with incomplete coverage of the rules, txt2regex can help you to construct regexes for use in awk, emacs, python, vim by answering a few questions. The last two possibly already are packaged for your instance of Linux (repology's query about visual-regexp, and txt2regex). Source: about 2 years ago
RegexMagic - Use RegexMagic to generate complete regular expressions to your specifications by using RegexMagic's flexible patterns, instead of the cryptic regex syntax.
Regulex - Open-source, regular expression parser and visualizer.
regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
RegExr - RegExr.com is an online tool to learn, build, and test 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.
rubular - A ruby based regular expression editor