Regular Expressions 101

Group version_prefix(?P<version_prefix>v|V?)

1st Alternativev

vthe literal v (118₁₀ / 166₈ / 76₁₆) (case sensitive)

2nd AlternativeV?

V?optionally matches the literal V (86₁₀ / 126₈ / 56₁₆) (case sensitive)

Group version(?P<version>.+)

.+any Unicode character (except for line terminators), repeated at least once

.any Unicode character (except for line terminators)

Group 3(zip|tar.gz|tar.bz2|.tgz)

1st Alternativezip

zipthe literal text zip (case sensitive)

2nd Alternativetar.gz

tarthe literal text tar (case sensitive)

.any Unicode character (except for line terminators)

gzthe literal text gz (case sensitive)

3rd Alternativetar.bz2

tarthe literal text tar (case sensitive)

.any Unicode character (except for line terminators)

bz2the literal text bz2 (case sensitive)

4th Alternative.tgz

.any Unicode character (except for line terminators)

tgzthe literal text tgz (case sensitive)

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

Regular Expression

(?P<version_prefix>v|V?)(?P<version>.+).(zip|tar.gz|tar.bz2|.tgz)

New

v1.2.3.tgz