?matches at most one character from the set below:
+the literal + (4310 / 538 / 2B16)
-the literal - (4510 / 558 / 2D16)
\d+a digit, repeated at least once
\,the literal , (4410 / 548 / 2C16)
\d+a digit, repeated at least once
\sany whitespace character
.*any character (except for line terminators), repeated any number of times
\sany whitespace character
.*any character (except for line terminators), repeated any number of times
\%the literal % (3710 / 458 / 2516)
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