Regular Expressions 101

^start of line

Non-Capturing Group(?:origin\/develop|origin\/master|origin\/release\/\d+\.\d+\.\d+(?!.)|origin\/release\/\d+\.\d+\.\d+(?:_uat|_preprod))

1st Alternativeorigin\/develop

originthe literal text origin (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

developthe literal text develop (case sensitive)

2nd Alternativeorigin\/master

originthe literal text origin (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

masterthe literal text master (case sensitive)

3rd Alternativeorigin\/release\/\d+\.\d+\.\d+(?!.)

originthe literal text origin (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

releasethe literal text release (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\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

Negative Lookahead(?!.)

.any character (except for line terminators)

4th Alternativeorigin\/release\/\d+\.\d+\.\d+(?:_uat|_preprod)

originthe literal text origin (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

releasethe literal text release (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\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

Non-Capturing Group(?:_uat|_preprod)

1st Alternative_uat

_uatthe literal text _uat (case sensitive)

2nd Alternative_preprod

_preprodthe literal text _preprod (case sensitive)

$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

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Search reference

Regular Expression

^(?:origin\/develop|origin\/master|origin\/release\/\d+\.\d+\.\d+(?!.)|origin\/release\/\d+\.\d+\.\d+(?:_uat|_preprod))$

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