Think of Regex (Regular Expressions) as a “Super-Powered Find & Replace.” While a normal search only looks for exact words, it allows you to find complex patterns like identifying all email addresses, fixing inconsistent date formats, or cleaning up messy file names in seconds.
Regex can save hours of manual work and it also works in Excel. I highly recommend everyone learns the basics; it’s one of those skills that changes how you work with data forever. You can start with this excellent free course: www.regexone.com.
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