regex101: Java Match Workspace

1st Alternative(([\w\-.]+)\s*($([\w\s\-./,]+)$\s*)?(!\s*)?:.+)

Group 1(([\w\-.]+)\s*($([\w\s\-./,]+)$\s*)?(!\s*)?:.+)

Group 2([\w\-.]+)

Character Class[\w\-.]+

+matches at least one character from the set below:

\wany word character

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

Group 3($([\w\s\-./,]+)$\s*)?

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 4([\w\s\-./,]+)

Character Class[\w\s\-./,]+

+matches at least one character from the set below:

\wany word character

\sany whitespace character

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

Group 5(!\s*)?

?repeats the group contents below at most once:

!the literal ! (33₁₀ / 41₈ / 21₁₆)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

2nd Alternative(revert\s+\".*\")

Group 6(revert\s+\".*\")

revertthe literal text revert (case insensitive)

\s+any whitespace character, repeated at least once

\"the literal " (34₁₀ / 42₈ / 22₁₆)

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

\"the literal " (34₁₀ / 42₈ / 22₁₆)

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Search reference

Regular Expression

(([\w\-.]+)\s*(\(([\w\s\-./,]+)\)\s*)?(!\s*)?:.+)|(revert\s+\".*\")

New

fix: message
fix   :   message
fix   !   :   message

fix(scope): message
fix(scope)!: message
fix(fix pe)!: message
fix(fix-pe)!: message
fix(fix.pe)!: message
fix(fix/pe)!: message
fix(fix,pe)!: message
fix(fix:pe)!: message
fix   (scope)   :   message
fix   (scope)   !   :   message

   fix  (  sc   ope  )  !  :   message message

f  ix(  sc   ope  )  !  : message message

fix(scope): 

my_fix(scope)!: message
my-fix(scope)!: message
my.fix(scope)!: message
my:fix(scope)!: message
my:fix(sco: message
my/fix(scope)!: message

revert "message"
Revert "message"
revert   "message"
Revert   "message"
rerevert "message"
Rerevert "message"

Regular Expressions 101

Regular Expression

Extraction