Regular Expressions 101

Group 1(\d+(-\d+)?,?)+

+repeats the group contents below at least once:

\d+a digit, repeated at least once

Group 2(-\d+)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

,?optionally matches the literal , (44₁₀ / 54₈ / 2C₁₆)

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.

Search reference

Regular Expression

(\d+(-\d+)?,?)+

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