Tony Northrup is a developer, security consultant and author with more than 10 years of professional experience developing applications for Microsoft Windows. Developers frequently need to process ...

If you’ve programmed in Perl or any other language with built-in regular-expression capabilities, then you probably know how much easier regular expressions make text processing and pattern matching.

Regex patterns help search text strings efficiently (e.g., emails, digits, specific sequences) using symbols. Excel provides predefined regex functions (REGEXTEST, REGEXEXTRACT, REGEXREPLACE) to ...