Regular Expressions 101

Pro

Group 1([^{}]+)

Negated Character Class[^{}]+

+matches at least one character outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Group 2({((?:[^{}]++|(\g<2>))*)})

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 3((?:[^{}]++|(\g<2>))*)

Non-Capturing Group(?:[^{}]++|(\g<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 { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative(\g<2>)

Group 4(\g<2>)

\g<2>calls group 2 as a subroutine

}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.

25 tokens

([^{}]+)({((?:[^{}]++|(\g<2>))*)})

@keyframes animationName1{0%{opacity: 0}100%{opacity:1}}div{opacity:0}@keyframes animationName2{0%{opacity: 0}100%{opacity:1}}