Regular Expressions 101

Pro

Group 1(https?:\/\/)

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2([^\/]*)

Negated Character Class[^\/]*

*matches any number of characters outside the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3(\/?\S*)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

\S*any non-whitespace character, repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

(https?:\/\/)([^\/]*)(\/?\S*)

New

http://google.com/

https://www.long.sub.domain.com/path/222/333?junk=text

Not URLs. http://domain.com/..

http://google.com/

https://www.long.sub.domain.com/path/222/333?junk=text

Not URLs. http://domain.com/..