+?matches at least one character from the set below:
\sany whitespace character
\na line-feed (newline) character (ASCII 10)
\ra carriage return (ASCII 13)
\ta tab character (ASCII 9)
\/the literal / (4710 / 578 / 2F16)
\wany word character
(the literal ( (4010 / 508 / 2816)
)the literal ) (4110 / 518 / 2916)
{the literal { (12310 / 1738 / 7B16)
}the literal } (12510 / 1758 / 7D16)