Regular Expressions 101

Explanation
Pro

^start of line

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

Group 1([^,]+,[^,]\)\s*(?:,\s*\([^,]+,[^,]\))*)

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negated Character Class[^,]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

Non-Capturing Group(?:,\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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negated Character Class[^,]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

$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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

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

New

(1,2) ,(a,c)

Substitution

(1,2) ,(a,c)