Character Class[0-9a-zA-Z] 0-9one character from 0 (4810) to 9 (5710)
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
.*any character (except for line terminators), repeated any number of times
@the literal @ (6410 / 1008 / 4016)
.*any character (except for line terminators), repeated any number of times
Character Class[0-9a-zA-Z] 0-9one character from 0 (4810) to 9 (5710)
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
$end of line
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string