Groups
capture`foo`
capture.exactly`foo`
capture('foo')
(foo)
Wrap the given token in a capture group
captureAs`name` `foo`
captureAs`name`.exactly`foo`
captureAs('name')('foo')
(?<name>foo)
Wrap the given token in a named capture group
captureAs`name` `foo`.ref`name`
capture`foo`.ref(1)
(?<name>foo)\k<name>
(foo)\1
Supply a number to reference the capture group with that index. Supply a string to reference a named capture group.
group`foo`
group.exactly`foo`
group('foo')
(?:foo)
Wrap the given token in a non-capture group
ahead`foo`
ahead.exactly`foo`
ahead('foo')
(?=foo)
Wrap the given token in a positive lookahead
behind`foo`
behind.exactly`foo`
behind('foo')
(?<=foo)
Wrap the given token in a positive lookbehind
notAhead`foo`
not.ahead`foo`
notAhead.exactly`foo`
notAhead('foo')
(?!foo)
Wrap the given token in a negative lookahead
notBehind`foo`
not.behind`foo`
notBehind.exactly`foo`
notBehind('foo')
(?<!foo)
Wrap the given token in a negative lookbehind
oneOf`foo` `bar`
oneOf(exactly`foo`, exactly`bar`)
oneOf('foo', 'bar')
(?:foo|bar)
Match one in the provided list of options
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