Regular Expressions 101

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 1((?:[^{}]|(?R))+)

Non-Capturing Group(?:[^{}]|(?R))+

+repeats the group contents below at least once:

1st Alternative[^{}]

Negated Character Class[^{}]

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative(?R)

(?R)recurses into the entire pattern

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

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.

Search reference

Regular Expression

\{((?:[^{}]|(?R))+)\}

New

Eu sou uma string {dentro de uma string {dentro de outra} }
String {com {vários {níveis {de } chaves}} aninhadas}.
String {com mais {de} um} trecho {com {chaves}}
String com {chaves {desbalanceadas}
Chaves {} vazias
Apenas {um par de} chaves
Somente abre { chaves.

Regular Expression

Substitution