Debuggex: Online visual regex tester JavaScript, Python, and PCRE

How to write Regular Expressions? - Regex Tutorial regex In this video I wanted to explore RegEx as it's so powerful and can really change a lot of the regex The regex module releases the GIL during matching on instances of the built-in string classes, enabling other Python threads to run concurrently It

regex online RegEx syntax reference ; Marks the next character as either a special character or a literal For example: n matches the character n n