Regular Expressions 101

Group 1(\b\w+\b\s*,??\s*)+

+repeats the group contents below at least once:

\ban ASCII word boundary

\w+any word character, repeated at least once

\ban ASCII word boundary

\s*any whitespace character, repeated any number of times

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

\s*any whitespace character, repeated any number of times

, the literal text ,

Group 2(or|and)

1st Alternativeor

orthe literal text or (case sensitive)

2nd Alternativeand

andthe literal text and (case sensitive)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\b\w+\b\s*,??\s*)+, (or|and)

New

a, b with some other words, c and d , or e but not f, g, h or i, and j
a, test and c b, c and d, or e