Regular Expressions 101

^start of line

Negated Character Class[^,\n]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\na line-feed (newline) character (ASCII 10)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:[^,\n]+,?){0,2}

{0,2}repeats the group contents below between 0 and 2 times:

Negated Character Class[^,\n]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\na line-feed (newline) character (ASCII 10)

,?optionally matches 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.

Search reference

Regular Expression

^[^,\n]+,(?:[^,\n]+,?){0,2}$

New York, New York, United States
New York, New York
New York
New York, New York, United States,asdsad
new yorok,asdasd,asddasd