regex101: PCRE (Legacy) Match Workspace

Pro

^start of line

Group 1(=|>=|<=|=>|=<|>|<|!=|~|~>|\^)?

?repeats the group contents below at most once:

1st Alternative=

=the literal = (61₁₀ / 75₈ / 3D₁₆)

2nd Alternative>=

>=the literal text >=

3rd Alternative<=

<=the literal text <=

4th Alternative=>

=>the literal text =>

5th Alternative=<

=<the literal text =<

6th Alternative>

>the literal > (62₁₀ / 76₈ / 3E₁₆)

7th Alternative<

<the literal < (60₁₀ / 74₈ / 3C₁₆)

8th Alternative!=

!=the literal text !=

9th Alternative~

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

10th Alternative~>

~>the literal text ~>

11th Alternative\^

\^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

Group major(?P<major>0|[1-9]\d*)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*a digit, repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group minor(?P<minor>0|[1-9]\d*)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*a digit, repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group patch(?P<patch>0|[1-9]\d*)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*a digit, repeated any number of times

Non-Capturing Group(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group prerelease(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*)

Non-Capturing Group(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?

$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

25 tokens

Regular Expression

^(=|>=|<=|=>|=<|>|<|!=|~|~>|\^)?(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$

Valid Semantic Versions
0.0.4
1.2.3
10.20.30
1.1.2-prerelease+meta
1.1.2+meta
1.1.2+meta-valid
1.0.0-alpha
1.0.0-beta
1.0.0-alpha.beta
1.0.0-alpha.beta.1
1.0.0-alpha.1
1.0.0-alpha0.valid
1.0.0-alpha.0valid
1.0.0-alpha-a.b-c-somethinglong+build.1-aef.1-its-okay
1.0.0-rc.1+build.1
2.0.0-rc.1+build.123
1.2.3-beta
10.2.3-DEV-SNAPSHOT
1.2.3-SNAPSHOT-123
1.0.0
2.0.0
1.1.7
2.0.0+build.1848
2.0.1-alpha.1227
1.0.0-alpha+beta
1.2.3----RC-SNAPSHOT.12.9.1--.12+788
1.2.3----R-S.12.9.1--.12+meta
1.2.3----RC-SNAPSHOT.12.9.1--.12
1.0.0+0.build.1-rc.10000aaa-kk-0.1
99999999999999999999999.999999999999999999.99999999999999999
1.0.0-0A.is.legal

Valid Semantic Version Constraints
=0.2.3
!=2.0.0+build.1848
<2.0.1-alpha.1227
>1.0.0-alpha+beta
<=1.2.3----RC-SNAPSHOT.12.9.1--.12+788
>=1.2.3----R-S.12.9.1--.12+meta
=<1.2.3----RC-SNAPSHOT.12.9.1--.12
=>1.0.0+0.build.1-rc.10000aaa-kk-0.1
~0.1.2
~>99999999999999999999999.999999999999999999.99999999999999999
^1.0.0-0A.is.legal

Invalid Semantic Versions

1
1.2
1.2.3-0123
1.2.3-0123.0123
1.1.2+.123
+invalid
-invalid
-invalid+invalid
-invalid.01
alpha
alpha.beta
alpha.beta.1
alpha.1
alpha+beta
alpha_beta
alpha.
alpha..
beta
1.0.0-alpha_beta
-alpha.
1.0.0-alpha..
1.0.0-alpha..1
1.0.0-alpha...1
1.0.0-alpha....1
1.0.0-alpha.....1
1.0.0-alpha......1
1.0.0-alpha.......1
01.1.1
1.01.1
1.1.01
1.2
1.2.3.DEV
1.2-SNAPSHOT
1.2.31.2.3----RC-SNAPSHOT.12.09.1--..12+788
1.2-RC-SNAPSHOT
-1.0.3-gamma+b7718
+justmeta
9.8.7+meta+meta
9.8.7-whatever+meta+meta
99999999999999999999999.999999999999999999.99999999999999999----RC-SNAPSHOT.12.09.1--------------------------------..12