# Regular Expressions

- [ReplaceRegEx](/astera-data-stack-v10/functions/regular-expressions/replaceregex.md)
- [ReplaceRegEx (Integer StartAt)](/astera-data-stack-v10/functions/regular-expressions/replaceregex-integer-startat.md)
- [IsMatchRegEx (StartAt)](/astera-data-stack-v10/functions/regular-expressions/ismatchregex-startat.md)
- [IsMatchRegEx](/astera-data-stack-v10/functions/regular-expressions/ismatchregex.md)
- [IsUSPhone](/astera-data-stack-v10/functions/regular-expressions/isusphone.md)
- [IsUSZipCode](/astera-data-stack-v10/functions/regular-expressions/isuszipcode.md)
- [GetMatchRegEx](/astera-data-stack-v10/functions/regular-expressions/getmatchregex.md)
- [GetMatchRegEx (StartAt)](/astera-data-stack-v10/functions/regular-expressions/getmatchregex-startat.md)