Vincent Danen goes over some basic regular expressions. They are handy for developers and programmers, of course, and can even be employed for Google searching. As a Linux user or administrator, the ...

If you've ever worked with regular expressions, you know how difficult and tedious it is to craft complex regex code. However, while it won't work in every situation, REGex Tester, an online regular ...

Regular expressions are a universal tool for matching, validating, and transforming text across programming languages and command-line tools. They can condense complex string operations into compact, ...

How do you find out if a user has entered a valid email address? Do you check for an at-sign, or is it more complicated? For many developers the answer is a regular expression, a little bit of code ...

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 ...

Regular expressions come in handy for all varieties of text processing, but are often misunderstood–even by veteran developers. Here’s a look at intermediate-level regular expressions and what they ...

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...