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I’ve never done regex myself in Excel because other options have been simpler, but you should also have Power Query as an option. From quick google search, looks like there are “clever” solutions out there, but that’s not super satisfying to me.
Otherwise, I highly recommend you look at Google Sheets IF that’s an option. People sh!t on Google sheets but it was many awesome uses, like this one, which it has native REGEX functions built for.
If security is an issue and you can’t use a Google environment, I’d always throw Python / R out there as an option.
Are you using excel sheets or a csv? If it’s a csv you can use pretty much any scripting language. If it’s excel I think pandas can load em if you install the extras.
And unless this is a one off thing or some personal project your company should be using a DLP solution
Thanks. What’s DLP? It’s not a one-off nor something that’s needed with any regularity — tends to come up 2-3x/year, max.
Thanks. This is a very unique situation — attorney/law firm handling sensitive data for clients, some of whom themselves are in possession of sensitive data that they need to protect while also complying with obligations to disclose information to adverse parties in litigation/govt investigations.