bthe literal b (9810 / 1428 / 6216) (case sensitive)
\/the literal / (4710 / 578 / 2F16)
\*?optionally matches the literal * (4210 / 528 / 2A16)
Character Class[\u4e00-\u9fa5a-zA-Z]+ +matches at least one character from the set below:
\u4e00-\u9fa5one character from 一 (1996810) to 龥 (4086910)
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
\**the literal * (4210 / 528 / 2A16) , repeated any number of times
$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