Regular Expressions 101

Positive Lookbehind(?<=,\W|\s)

1st Alternative,\W

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\Wany non-word character

2nd Alternative\s

\sany whitespace character

\d+a digit, repeated at least once

Positive Lookahead(?=,)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(?<=,\W|\s)\d+(?=,)

New

John, a 005, green, 01-22-18.abc

Sarah, 325, blue, 03-18-17.abc

Mike, b 56, red, 12-05-17.abc
Mike56, b 56, red, 12-05-17.abc

John, a 005, green, 01-22-18.abc

Sarah, 325, blue, 03-18-17.abc

Mike, b 56, red, 12-05-17.abc
Mike56, b 56, red, 12-05-17.abc