Regular Expressions 101

Pro

^start of line

Group 1(movie|tv)

1st Alternativemovie

moviethe literal text movie (case sensitive)

2nd Alternativetv

tvthe literal text tv (case sensitive)

\s*any whitespace character, repeated any number of times

Group 2(.*?)

.*?any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:\s+season)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

seasonthe literal text season (case sensitive)

Non-Capturing Group(?:\s+([0-9]+(?:\s+[0-9]+)*))?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Group 3([0-9]+(?:\s+[0-9]+)*)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:\s+[0-9]+)*

*repeats the group contents below any number of times:

\s+any whitespace character, repeated at least once

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

$end of line

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

^(movie|tv)\s*(.*?)(?:\s+season)?(?:\s+([0-9]+(?:\s+[0-9]+)*))?$

New

tv game of thrones season 1 2 3
movie inception