regex101: PCRE2 (PHP) Match Workspace

Pro

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

*repeats the group contents below any number of times:

1st Alternative[^()]

Negated Character Class[^()]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(?R)

(?R)recurses into the entire pattern

\)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

25 tokens

Regular Expression

\((?:[^()]|(?R))*\)

New

Quiz: (Find all text that) outside of the outmost balanced parenthesis. (Be careful since) there might (be ((nested)) ones!) :) (async () => await console.log(1))()) You can do it! ()()(())():((1)((((((2)((3)))))))It would be even better the text is consecutive (and no more unneccessary (capturing groups!))() 2 * (1 + 3) = 8(eight) :( Did you do it ? (no) yes

Extraction

Quiz: (Find all text that) outside of the outmost balanced parenthesis. (Be careful since) there might (be ((nested)) ones!) :) (async () => await console.log(1))()) You can do it! ()()(())():((1)((((((2)((3)))))))It would be even better the text is consecutive (and no more unneccessary (capturing groups!))() 2 * (1 + 3) = 8(eight) :( Did you do it ? (no) yes