Regular Expressions 101

Pro

Non-Capturing Group(?: [^,()]++ (?<args> \( (?: [^()]++ | \g<args> )*+ \) )*+ )+

+repeats the group contents below at least once:

Negated Character Class[^,()]++

++matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group args(?<args> \( (?: [^()]++ | \g<args> )*+ \) )*+

*+repeats the group contents below any number of times:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?: [^()]++ | \g<args> )*+

*+repeats the group contents below any number of times:

1st Alternative [^()]++

Negated Character Class[^()]++

++matches at least one character outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative \g<args>

\g<args>calls group args as a subroutine

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

Detailed match information will be displayed here automatically.

25 tokens

(?:
  [^,()]++
  (?<args>
    \(
    (?:
      [^()]++
      | \g<args>
    )*+
    \)
  )*+
)+

New

a,b,func1(a,b+c),func2(a*b,func3(a+b,c)),func4(e)+func5(f),func6(func7(g,h)+func8(i,(a)=>a+2)),g+2

a,b,func1(a,b+c),func2(a*b,func3(a+b,c)),func4(e)+func5(f),func6(func7(g,h)+func8(i,(a)=>a+2)),g+2