Splitting a string using regular expression

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Posted on by LS-23051659-0

I have a string that I need to split based on a regular expression. I tried using match in a compose but it is not supported...has anyone done this?
     match(outputs('Compose'), '\d{2}—\d{6}—\d{4}—CJ')

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David_MA 14,056 Super User 2026 Season 1 on at

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Regular expressions are not supported by Power Automate expressions. I believe there are some third-party actions that can handle this, but I have not used any of them as they have added costs. Here is one I have considered in the past: How to use match, test, and replace regular expressions in Power Automate, Azure Logic Apps, or Power Apps.

Another alternative is to write a an Office Script in Excel and have the flow use Excel to process the value. I have had limited success with this, but you can learn how to do that at How to use RegEx in Power Automate | andersjensenorg.

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LS-23051659-0 2 on at

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I ended up doing an Azure function...but I think its amazing that in 2025 we don't have this simple function...just makes things complicated for simple task.

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