All but the most casual Linux users no doubt have encountered regular expressions, if only in a cursory manner. Regular expressions are extremely powerful and flexible pattern-matching and -replacing ...

The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic ...

What is a Regular Expression? A regular expression (or regex for short) is a sequence of characters that forms a search pattern. These expressions are helpful when we want to validate input from a ...

This program is a custom implementation of a regular expression (regex) matcher in Java. It demonstrates basic pattern matching functionalities, including special character handling, quantifiers, and ...

I try to create a class that uses regexp in Java. The function of the class is to get substrings that matches a pattern. In this case I would like to get 2 substrings since it contains 2 links. But I ...

I'll preface this with I'm a retired software engineer who is too lazy to figure this out myself via the Friedl book. Of which I own V1.0 and it's heavily used. I have a multi-line text file, where ...