Regular Expressions Cookbook
Network Security · 2012
Regular expressions – known as regexes to aficionados – are powerful tools. The ability to match patterns in text or other data through regex matching not only saves programmers a huge amount of coding, it can also enable the filtering of data in a way that is invaluable to security researchers, hackers and penetration testers. Indeed, many security tools have this kind of pattern-matching ability at their core.