Regular Expressions 101

Group Major(?<Major>[a-zA-Z0-9]+)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:\.([a-zA-Z0-9]+))+

+repeats the group contents below at least once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2([a-zA-Z0-9]+)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group Label(?<Label>(?:(?:\-|\+)?\w+)+)?

?repeats the group contents below at most once:

Non-Capturing Group(?:(?:\-|\+)?\w+)+

+repeats the group contents below at least once:

Non-Capturing Group(?:\-|\+)?

?repeats the group contents below at most once:

1st Alternative\-

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

2nd Alternative\+

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\w+any word character, repeated at least once

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.

Search reference

Regular Expression

(?<Major>[a-zA-Z0-9]+)(?:\.([a-zA-Z0-9]+))+(?<Label>(?:(?:\-|\+)?\w+)+)?

New

5.6.20.4-dev+a2c4ok ok
1.3.2
12.0.2.1000 ok
3.60.2.300 ok
0.0.2.1-dev ok
2.0.3.1dev ok
this is v1.2.3.1 ok
1.2.3
30.0000.1.222.3333
Not Match
1
1.
12
12.
123
123.