+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case insensitive)
a-zone character from a (9710) to z (12210) (case insensitive)
0-9one character from 0 (4810) to 9 (5710)
\$the literal $ (3610 / 448 / 2416)
\#the literal # (3510 / 438 / 2316)
\<the literal < (6010 / 748 / 3C16)
\>the literal > (6210 / 768 / 3E16)
\-the literal - (4510 / 558 / 2D16)
\_the literal _ (9510 / 1378 / 5F16)