regex101: Matching build file names

Explanation

Pro

^start of line

Group type(?<type>(?:ci-|cloud-)?[^-]+)

Non-Capturing Group(?:ci-|cloud-)?

?repeats the group contents below at most once:

1st Alternativeci-

ci-the literal text ci- (case sensitive)

2nd Alternativecloud-

cloud-the literal text cloud- (case sensitive)

Negated Character Class[^-]+

+matches at least one character outside the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[_-]

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group version(?<version>\d+\.\d+\.\d+)

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

Group alpha(?<alpha>[-+]alpha)?

?repeats the group contents below at most once:

Character Class[-+]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

alphathe literal text alpha (case sensitive)

Non-Capturing Group(?:-(?<date>\d{8}))?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group date(?<date>\d{8})

\d{8}a digit, repeated exactly 8 times

Character Class[-+]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

Non-Capturing Group(?:(?<build>\d+).(?<builddate>\d{8}))?

?repeats the group contents below at most once:

Group build(?<build>\d+)

\d+a digit, repeated at least once

.any character (except for line terminators)

Group builddate(?<builddate>\d{8})

\d{8}a digit, repeated exactly 8 times

Non-Capturing Group(?:[.-]?(?<sha>[A-Fa-f0-9]+(?:[.-]\d+)?))?

?repeats the group contents below at most once:

Character Class[.-]?

?matches at most one character from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group sha(?<sha>[A-Fa-f0-9]+(?:[.-]\d+)?)

Character Class[A-Fa-f0-9]+

+matches at least one character from the set below:

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

Non-Capturing Group(?:[.-]\d+)?

?repeats the group contents below at most once:

Character Class[.-]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:\.(?<arch>.+))?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group arch(?<arch>.+)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group fmt(?<fmt>.{3})

.{3}any character (except for line terminators), repeated exactly 3 times

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

Quick Reference

27 tokens

Regular Expression

^(?<type>(?:ci-|cloud-)?[^-]+)[_-](?<version>\d+\.\d+\.\d+)(?<alpha>[-+]alpha)?(?:-(?<date>\d{8}))?[-+](?:(?<build>\d+).(?<builddate>\d{8}))?(?:[.-]?(?<sha>[A-Fa-f0-9]+(?:[.-]\d+)?))?(?:\.(?<arch>.+))?\.(?<fmt>.{3})

Unit Tests

There are no unit tests.