I read a quote somewhere along the lines of…
If you are trying to solve a problem with regular expressions... you now have two problems
This seems a little harsh for a useful tool that has been with us for what seems a very long time. Plenty of languages offer support for RegEx string searching and pattern matching but not so far in Power BI Desktop.
I thought I would share a simple and quick way to enable the use of RegEx in Power BI.
This could be useful in a number of ways. RegEx patterns could help validate strings from source systems:
- Valid email addresses
- IP addresses
- Product Codes
- Stripping numbers or texts from strings
I’m going to look at the first scenario and demonstrate with a simple exercise how you might use RegEx to test if email addresses are valid.
DAX and M don’t have any dedicated…
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