Regular expressions are a powerful tool for manipulating textual information, allowing you to perform the sophisticated processing you describe. Before I explain the solution, let's back up one step ...

Regular expressions — the things you feed to programs like grep — are a bit like riding a bike. It seems impossible until you learn to do it, and then it’s easy. Part of their bad reputation is ...

The people who attended my presentations at RMOUG Training Days 2010 asked several good questions. One question that was asked in the Groovy presentation that I really wish I had included a slide on ...

How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for finding complex ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...

The awk command is a versatile text-processing tool in Linux. It filters and manipulates files using patterns, conditions, ...

Bash has quietly made scripting on Unix systems a lot easier with its own regular expressions. If you're still leaning on grep and sed commands to get your scripts to do what you need from them, maybe ...

Google updated the help document for the performance report within Google Search Console to say you can use regular expressions to filter the report results. Google wrote, “If you choose the Custom ...