Regular Expressions 101

Pro

^start of line

Group 1(\d+\.)?

?repeats the group contents below at most once:

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(\d+\.)?

?repeats the group contents below at most once:

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(\d+)

\d+a digit, repeated at least once

$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

Detailed match information will be displayed here automatically.

25 tokens

^(\d+\.)?(\d+\.)?(\d+)$

3.9.7
3.9.8
3.9.9
3.9.10
3.10.0
3.10-dev
3.10.1
3.10.2
3.11.0a6
3.11-dev

3.9.7
3.9.8
3.9.9
3.9.10
3.10.0
3.10-dev
3.10.1
3.10.2
3.11.0a6
3.11-dev