regex101: JavaScript Match Workspace

Pro

^start of line

Non-Capturing Group(?::\w*:|(?:\ud83c[\udf00-\udfff])|(?:\ud83d[\udc00-\ude4f\ude80-\udeff])|[\u2600-\u2B55])

1st Alternative:\w*:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\w*any word character, repeated any number of times

:the literal : (58₁₀ / 72₈ / 3A₁₆)

2nd Alternative(?:\ud83c[\udf00-\udfff])

Non-Capturing Group(?:\ud83c[\udf00-\udfff])

\ud83cthe literal � (D83C₁₆ / 154074₈ / 55356₁₀)

Character Class[\udf00-\udfff]

\udf00-\udfffone character from � (57088₁₀) to � (57343₁₀)

3rd Alternative(?:\ud83d[\udc00-\ude4f\ude80-\udeff])

Non-Capturing Group(?:\ud83d[\udc00-\ude4f\ude80-\udeff])

\ud83dthe literal � (D83D₁₆ / 154075₈ / 55357₁₀)

Character Class[\udc00-\ude4f\ude80-\udeff]

\udc00-\ude4fone character from � (56320₁₀) to � (56911₁₀)

\ude80-\udeffone character from � (56960₁₀) to � (57087₁₀)

4th Alternative[\u2600-\u2B55]

Character Class[\u2600-\u2B55]

\u2600-\u2B55one character from ☀ (9728₁₀) to ⭕ (11093₁₀)

\sany whitespace character

Group type(?<type>\w*)

\w*any word character, repeated any number of times

Non-Capturing Group(?:$(?<scope>.*)$)?

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group scope(?<scope>.*)

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

!?optionally matches the literal ! (33₁₀ / 41₈ / 21₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\sany whitespace character

Group subject(?<subject>(?:(?!#).)*(?:(?!\s).))

Non-Capturing Group(?:(?!#).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!#)

#the literal # (35₁₀ / 43₈ / 23₁₆)

.any character (except for line terminators)

Non-Capturing Group(?:(?!\s).)

Negative Lookahead(?!\s)

\sany whitespace character

.any character (except for line terminators)

Non-Capturing Group(?:\s$?(?<ticket>#\d*)$?)?

?repeats the group contents below at most once:

\sany whitespace character

\(?optionally matches the literal ( (40₁₀ / 50₈ / 28₁₆)

Group ticket(?<ticket>#\d*)

#the literal # (35₁₀ / 43₈ / 23₁₆)

\d*a digit, repeated any number of times

\)?optionally matches the literal ) (41₁₀ / 51₈ / 29₁₆)

$end of line

Global pattern flags

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

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

26 tokens

Regular Expression

^(?::\w*:|(?:\ud83c[\udf00-\udfff])|(?:\ud83d[\udc00-\ude4f\ude80-\udeff])|[\u2600-\u2B55])\s(?<type>\w*)(?:\((?<scope>.*)\))?!?:\s(?<subject>(?:(?!#).)*(?:(?!\s).))(?:\s\(?(?<ticket>#\d*)\)?)?$

New

// Not Matched
chore(scope): test

hello :test: test

:start:test: test

// Matched

:hello: test: test

:start: chore(scope): test

:start: chore(scope): test #123

:memo: docs: update README.md

:start: chore(scope): i have a word #123


:package: feat(parser-opts): extract parser-opts packages


:sparkles: feat(changelog): 添加中文标题

:sparkles: feat(changelog): add chinese title

✨ feat(unicode): add unicode support

😌 test(only): add unicode support

:sparkles: feat: hello world (#100)