Regular Expressions 101

^start of line

Negated Character Class[^\s,]+

+matches at least one character outside the set below:

\sa Unicode whitespace character

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:,\s*[^\s,]+)*

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Negated Character Class[^\s,]+

+matches at least one character outside the set below:

\sa Unicode whitespace character

,the literal , (44₁₀ / 54₈ / 2C₁₆)

$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

Regular Expression

^[^\s,]+(?:,\s*[^\s,]+)*$

New

foo-bar, hey_friend, 56-8, 7_88, elephant$n

foo-bar, hey_friend, 56-8, 7_88, elephant$n