Regular Expressions 101

Pro

^start of line

Group user(?P<user>.*?)

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

@ the literal text @

Group host(?P<host>.*?)

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

: the literal text :

Non-Capturing Group(?:(?P<port>.*?)/)?

?repeats the group contents below at most once:

Group port(?P<port>.*?)

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

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group path(?P<path>.*?/.*?)

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

/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

$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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

Detailed match information will be displayed here automatically.

25 tokens

^
(?P<user>.*?)@
(?P<host>.*?):
(?:(?P<port>.*?)/)?
(?P<path>.*?/.*?)
$

New

git@github.com:james/example
git@github.com:007/example
git@github.com:22/james/example
git@github.com:22/007/example