Regular Expressions 101

Pro

^start of line

\d+a digit, repeated at least once

Group 1(,|$)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative$

$end of line

Group 2(\d{1,2}|)

1st Alternative\d{1,2}

\d{1,2}a digit, repeated between 1 and 2 times

2nd Alternative — matches an empty string

$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

Detailed match information will be displayed here automatically.

27 tokens

^\d+(,|$)(\d{1,2}|)$

New

$0\n