Regular Expressions 101

1st Alternative(\((?>[^)(]*(?1)?)*\))(*SKIP)(*F)

Group 1(\((?>[^)(]*(?1)?)*\))

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Atomic Group(?>[^)(]*(?1)?)*

*repeats the group contents below any number of times:

Negated Character Class[^)(]*

*matches any number of characters outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

(?1)?optionally calls group 1 as a subroutine

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*F)forces the current match attempt to fail at this position

2nd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\((?>[^)(]*(?1)?)*\))(*SKIP)(*F)|,

xyz(text1,(text2,text3)),asd
foo,bar(bar(lorem,ipse(dolor,sit)))baz,bar,baz