Regular Expressions 101

Pro

Group 1([^{]+)

Negated Character Class[^{]+

+matches at least one character outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

\s*any whitespace character, repeated any number of times

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

{the literal { (123₁₀ / 173₈ / 7B₁₆)

\s*any whitespace character, repeated any number of times

Group 3((?:[^{}]++|(?2))*)

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 { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative(?2)

(?2)calls group 2 as a subroutine

\s*any whitespace character, repeated any number of times

}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

Regular Expression

([^{]+)\s*({\s*((?:[^{}]++|(?2))*)\s*})

New

table {
    border-collapse: collapse;
    border-spacing: 0
}

@keyframes blinking {
    from {
        background: #f4a83d
    }
    to {
        background: rgba(244, 168, 61, 0)
    }
}