A regular expression is a string of characters used to describe a set of possible character strings according to a specific syntax.     

Regular expressions are used within Octopus to control the manipulation of text. 

Their inherent complexity limits the processing can do about them in our wiki, but we invite you to refer to the following ressources to find out more: 

• Wikipedia - Regular expression
• MSDN - Regular Expression Language - Quick Reference
• DebuggexBeta: Online visual regex tester 
  • Use PCRE mode instead of JavaScript

Features using regular expressions

• Event Management - Octopus module