Regular Expressions 101

Explanation

Pro

Group prefix1(?<prefix1>\d{0,3}?)

\d{0,3}?a digit, repeated between 0 and 3 times

Group suffix1(?<suffix1>\d{1,3})

\d{1,3}a digit, repeated between 1 and 3 times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group prefix2(?<prefix2>\d{0,3}?)

\d{0,3}?a digit, repeated between 0 and 3 times

Group suffix2(?<suffix2>\d{1,3})

\d{1,3}a digit, repeated between 1 and 3 times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

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25 tokens

(?<prefix1>\d{0,3}?)(?<suffix1>\d{1,3})\/(?<prefix2>\d{0,3}?)(?<suffix2>\d{1,3})\/

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