SelfContained
charclass
Separator
Unicode
Sequence
reb4s
Sequenceable
reb4s
SingleChar
charclass
Space
Perl Posix Separator
SpacingCombining
Mark
StringLiteral
Literal
Surrogate
Other
Symbol
Unicode
specialEscapes
Literal
string2Literal
Implicits
subsets
Union
supersets
Intersection
symbol
Mode