# Strings - Regular Expression (scripting commands)

- [regexFind](../../commands/regexFind.md): Searches in a string with a regular expression.
- [regexMatch](../../commands/regexMatch.md): Returns whether the haystack matches the pattern.
- [regexReplace](../../commands/regexReplace.md): Searches given haystack with given pattern and replaces all matches with given replaceString.