regex101: JavaScript Match Workspace

Non-Capturing Group(?:UniquePrefixA|UniqueB|UniqueC)

1st AlternativeUniquePrefixA

UniquePrefixAthe literal text UniquePrefixA (case insensitive)

2nd AlternativeUniqueB

UniqueBthe literal text UniqueB (case insensitive)

3rd AlternativeUniqueC

UniqueCthe literal text UniqueC (case insensitive)

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

Group 1(\[some-token\])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

some-tokenthe literal text some-token (case insensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Non-Capturing Group(?:and|\s)*

*repeats the group contents below any number of times:

1st Alternativeand

andthe literal text and (case insensitive)

2nd Alternative\s

\sany whitespace character

Group 2(\[some-token\])?

?repeats the group contents below at most once:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

some-tokenthe literal text some-token (case insensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Group 3(\s|[^\[\]])*

*repeats the group contents below any number of times:

1st Alternative\s

\sany whitespace character

2nd Alternative[^\[\]]

Negated Character Class[^\[\]]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Group 4(\[some-token\])?

?repeats the group contents below at most once:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

some-tokenthe literal text some-token (case insensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Group 5(\s|[^\[\]])*

*repeats the group contents below any number of times:

1st Alternative\s

\sany whitespace character

2nd Alternative[^\[\]]

Negated Character Class[^\[\]]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Group 6(\[some-token\])?

?repeats the group contents below at most once:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

some-tokenthe literal text some-token (case insensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Group 7(\s|[^\[\]])*

*repeats the group contents below any number of times:

1st Alternative\s

\sany whitespace character

2nd Alternative[^\[\]]

Negated Character Class[^\[\]]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

g modifier: global. Finds all matches instead of stopping after the first

26 tokens

Regular Expression

(?:UniquePrefixA|UniqueB|UniqueC)\s*(\[some-token\])(?:and|\s)*(\[some-token\])?(\s|[^\[\]])*(\[some-token\])?(\s|[^\[\]])*(\[some-token\])?(\s|[^\[\]])*

New

Examples 1-3:
[1] UniquePrefixA [some-token] and [some-token] want to take [some-token] to see some monkeys.
[2] UniqueC [some-token] wants to take [some-token] to the store. UniqueB, [some-token] is in the pattern once more.
[3] UniquePrefixA [some-token] is using [some-token] to [some-token].

Regular Expressions 101

Regular Expression

Substitution