Regular Expressions 101

Pro

1st Alternative(?:($(?:[^()]++|(?1))*$)|(\[(?:[^][]++|(?2))*]))(*SKIP)(*F)

Non-Capturing Group(?:($(?:[^()]++|(?1))*$)|(\[(?:[^][]++|(?2))*]))

1st Alternative($(?:[^()]++|(?1))*$)

Group 1($(?:[^()]++|(?1))*$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:[^()]++|(?1))*

*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(?1)

(?1)calls group 1 as a subroutine

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(\[(?:[^][]++|(?2))*])

Group 2(\[(?:[^][]++|(?2))*])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Non-Capturing Group(?:[^][]++|(?2))*

*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 ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

2nd Alternative(?2)

(?2)calls group 2 as a subroutine

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

(*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[][()]

Character Class[][()]

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

(?:(\((?:[^()]++|(?1))*\))|(\[(?:[^][]++|(?2))*]))(*SKIP)(*F)|[][()]

New

A Pro Webcam ((Good text) [[Good Text] more texts
Text (Example (Good text) [Good Text] more texts

A Pro Webcam ((Good text) [[Good Text] more texts
Text (Example (Good text) [Good Text] more texts