Regular Expressions 101

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 1(([^\]\[]+)|(?R))*+

*+repeats the group contents below any number of times:

1st Alternative([^\]\[]+)

Group 2([^\]\[]+)

Negated Character Class[^\]\[]+

+matches at least one character outside the set below:

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

2nd Alternative(?R)

(?R)recurses into the entire pattern

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

This is a [sample] string with [some] special words. [another one]
This is a [sample string with [some special words. [another one
This is a [sample[sample]] string with [[some][some]] special words. [[another one]]

Regular Expression

Extraction