On my name is toto
<?toto>
zero lenght <?nn> me
-> 「me」
<(
and )>
: start ant end of match<?>
Always match : succesfully math null string<!>
Always failsay 'abc' ~~ / a <( b )> c/;
# OUTPUT: «「b」»
say 'abc' ~~ / <(a <( b )> c)>/;
# OUTPUT: «「bc」»
a*!
Greedy (default a*
)a*?
Frugal (alias: minimal or non-greedy)a*:
Ratchet (alias: non-backtracking)a ** 1..10
Numbered quantifier