Regular Expressions 101

Explanation

Pro

Negative Lookbehind(?<!{)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

\ban ASCII word boundary

Group 1([^{}]+)

Negated Character Class[^{}]+

+matches at least one character outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 2([^{}]*)

Negated Character Class[^{}]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Negative Lookahead(?![^{}]*})

Negated Character Class[^{}]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}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

(?<!{)\b([^{}]+){([^{}]*)}(?![^{}]*})

New

new{test}anotherone{test{nest}}new{test}new{test}
new{test}ignore_this{test1{test1}{test2{test2}}new{test}new{test}

new{test}anotherone{test{nest}}new{test}new{test}
new{test}ignore_this{test1{test1}{test2{test2}}new{test}new{test}