Pattern matching is the process of searching text to identify matches, or strings that match a regex’s pattern. Java supports pattern matching via its Regex API.

If you stick to the concepts that I cover later, they will work across most flavors and Linux utilities. You don't need to think too hard about it. PCRE (Perl Compatible Regular Expressions) is the ...

A long time ago, I wrote a utility for an employer that allowed testers to perform verification on data coming out of a hardware box using a regular expression language. It allowed users to ...

Regular expressions are built into many programming languages and used to match, search, and transform patterns of text in your programs. Get started with Regex.

Let’s start with the simplest regular expression operation: the match. The match operation returns true if the pattern is found in the string. So the following expression: ...

Regular expressions can be used for partner matching, text processing, data validation, and much more. Also: 5 Linux commands I use to keep my device running smoothly The one caveat to using ...

Regular expressions have been part of the programmer’s toolkit for a long time, with their creation by Stephen Cole King in 1951. Their ability to match word patterns make them a powerful tool ...

You can use a special group of functions and CALL routines to match or change data according to a specific pattern that you specify. By using these functions and CALL routines, you can determine ...

Now that we know how to work with regular expressions and the different methods that are available to interact with, let’s spend some time building regular expressions to match the patterns we want.

Still, for $3, Patterns is a helpful addition to the toolkit of anyone who builds regular expressions with regularity. If you work with text, you owe it to yourself to learn regular expressions ...