Regular Expressions 101

Pro

^start of line

Character Class[\w\h]+

+matches at least one character from the set below:

\wany word character

\hany horizontal whitespace character

Non-Capturing Group(?:, [\w\h]+)+

+repeats the group contents below at least once:

, the literal text ,

Character Class[\w\h]+

+matches at least one character from the set below:

\wany word character

\hany horizontal whitespace character

$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.

25 tokens

^[\w\h]+(?:, [\w\h]+)+$

New

cat dog duck
cat, dog, duck
cat dog, cat dog duck, cat dog duck parrot

cat dog duck
cat, dog, duck
cat dog, cat dog duck, cat dog duck parrot