+matches at least one character outside the set below:
\ta tab character (ASCII 9)
\na line-feed (newline) character (ASCII 10)
\fa form-feed character (ASCII 12)
the literal (3210 / 408 / 2016)
\/the literal / (4710 / 578 / 2F16)
>the literal > (6210 / 768 / 3E16)
"the literal " (3410 / 428 / 2216)
'the literal ' (3910 / 478 / 2716)
=the literal = (6110 / 758 / 3D16)