Regexper is described as 'Regex visualization tool' and is an website. There are more than 10 alternatives to Regexper, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and iPhone apps. The best Regexper alternative is RegExr, which is both free and Open Source. Other great sites and apps similar to Regexper are RegexMate, Wildcard, RegexBuddy and Regex Generator.
Multi String Replacer is a small and portable application that can be used to replace multiple strings at once. Its main functionality is String Swapping in which can be easily and quickly done. String swapping consists on replacing WordX with WordY and WordY with WordX.
Search multiple strings occurrences simultaneously with the help of this piece of software that comes with support for regular expressions.
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, Go, JavaScript, Java.
