+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
\sany whitespace character
\w+any word character, repeated at least once
\sany whitespace character
\d++a digit, repeated at least once
\wany word character
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