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Siddhi Execution Regex

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The siddhi-execution-regex extension is a Siddhi extension that provides basic RegEx execution capabilities such as find, match, etc.

For information on Siddhi and it's features refer Siddhi Documentation.


  • Versions 5.x and above with group id io.siddhi.extension.* from here.
  • Versions 4.x and lower with group id org.wso2.extension.siddhi.* from here.

Latest API Docs

Latest API Docs is 5.0.7.


  • find (Function)

    Finds the subsequence that matches the given regex pattern.

  • group (Function)

    Returns the subsequence captured by the given group during the regex match operation.

  • lookingAt (Function)

    Matches the input.sequence from the beginning against the regex pattern, and unlike regex:matches() it does not require that the entire input.sequence be matched.

  • matches (Function)

    Matches the entire input.sequence against the regex pattern.


There are no other dependencies needed for this extension.


For installing this extension on various siddhi execution environments refer Siddhi documentation section on adding extensions.

Support and Contribution

  • We encourage users to ask questions and get support via StackOverflow, make sure to add the siddhi tag to the issue for better response.

  • If you find any issues related to the extension please report them on the issue tracker.

  • For production support and other contribution related information refer Siddhi Community documentation.