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How to add a symbol every few characters in a query?

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I'm hoping to make a workflow that turns a query that looks like '12345678' into '1234-5678', adding a line break every four characters in a query. I'm guessing this can be done in regex, but I'm not too familiar with how to do that. Would anyone be able to help me figure it out?



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Welcome @Urya,


Indeed you can do it with a regex. Use the Replace Utility to replace (.{4}(?!$)) with $1-. It might look complicated, but the heart of it is the (.{4}) which means “capture four characters in a row”. The cryptic (?!$) adds to that, saying “except if they’re right at the end”. This is to avoid 12345678 becoming 1234-5678-.

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