Regular Expressions 101

Pro

1st Alternative(?<!\S)\d+(?:/\d+)+(?!\S)(*SKIP)(*F)

Negative Lookbehind(?<!\S)

\Sany non-whitespace character

\d+a digit, repeated at least once

Non-Capturing Group(?:/\d+)+

+repeats the group contents below at least once:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d+a digit, repeated at least once

Negative Lookahead(?!\S)

\Sany non-whitespace character

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*F)forces the current match attempt to fail at this position

2nd Alternative[/\\_\s]+

Character Class[/\\_\s]+

+matches at least one character from the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\sany whitespace character

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

(?<!\S)\d+(?:/\d+)+(?!\S)(*SKIP)(*F)|[/\\_\s]+

New

925/123 Black/Jack

\n

925/123 Black/Jack