-the literal - (4510 / 558 / 2D16)
\h*any horizontal whitespace character, repeated any number of times
Negative Lookahead(?!.*-) .*any character (except for line terminators), repeated any number of times
-the literal - (4510 / 558 / 2D16)
0*the literal 0 (4810 / 608 / 3016) , repeated any number of times
\d+a digit, repeated at least once
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