Regular Expressions 101

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

quotethe literal text quote (case sensitive)

Non-Capturing Group(?:=(.+?))?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 1(.+?)

.+?any character (except for line terminators), repeated at least once

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Negated Character Class[^\]\[]*

*matches any number of characters outside the set below:

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

/quote]the literal text /quote] (case sensitive)

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.

27 tokens

Regular Expression

\[quote(?:=(.+?))?][^\]\[]*\[/quote]

New

[quote=John]abc[/quote] // John
[quote="John"]abc[/quote] // "John"
[quote='John']abc[/quote] // 'John'
[quote='Joh]n']abc[/quote] // 'Joh]n'
[quote='Joh[]n']abc[/quote] // 'Joh[]n'
[quote]abc[/quote] // match