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Status Future consideration
Workspace App Connect
Created by Guest
Created on May 17, 2024

Add Regular Expresion Functions to ESQL

Would it be possible to add regular expression support to ESQL?  I think a regexmatch and regexreplace functions would be extremely beneficial.  Almost all of our code is written in ESQL, we rarely need to use Java compute nodes.

Here's an example scenario: we need to address line 2 into the three component fields: City, State, and Zip.

- City can be any characters, including numbers, letters, and symbols.

- State must be two letters (A-Z)

- Zip must start with a number and may contain numbers and hypens.

- There must be a comma immediately after the city, and there may be spaces between city, state, and zip.

This is trivial to parse with a regular expression.  Not as easy to parse with a DFDL.  Difficult to implement in native ESQL.

Idea priority Low
  • Admin
    Ben Thompson
    Reply
    |
    Nov 20, 2024

    Thank you for taking the time to raise this idea and apologies for the delay in providing a reply. There are various other functions (OVERLAY, TRANSLATE, CONTAINS, STARTSWITH …) which could help with this kind of usecase but none of them are powerful enough when doing the searching aspect of the usecase presented … so it seems reasonable to enhance ESQL with some kind of regex capability. We are considering adding an ESQL TOKENIZE function to help move this subject forward. Status updated to Future Consideration.