Regular expressions give Tim Patrick the creeps, but he overcame his fears by discovering specially crafted regex patterns can access data in a way that’s actually kind of cool. I've always been ...

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 ...

The Unicode Standard assigns various properties and property values to every symbol. For example, to get the set of symbols that are used exclusively in the Greek script, search the Unicode database ...

Regular expressions are commonly used in pattern search algorithms. This tool is based on the work of John Maddock (See his own regex comparison here) and the sljit project (See their regex comparison ...