Regular Expressions 101

Pro

Group 1(1\.\d\d\.\d+-wmf\.\d+|master)

1st Alternative1\.\d\d\.\d+-wmf\.\d+

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da digit

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

-wmfthe literal text -wmf (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

2nd Alternativemaster

masterthe literal text master (case sensitive)

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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25 tokens

(1\.\d\d\.\d+-wmf\.\d+|master)

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