The String.split methods can be very convenient for easily splitting a provided String based on a provided regular expression String. The only trick is figuring out a regular expression token to use ...

The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

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 ...

These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

If you’ve struggled with regular expressions that took hours to match when you needed them to complete in seconds, this article is for you. Java developer Cristian Mocanu explains where and why the ...