\+the literal + (4310 / 538 / 2B16)
7the literal 7 (5510 / 678 / 3716)
\sany whitespace character
\(the literal ( (4010 / 508 / 2816)
\d{3,4}a digit, repeated between 3 and 4 times
\)the literal ) (4110 / 518 / 2916)
\sany whitespace character
\d{2,3}a digit, repeated between 2 and 3 times
\-the literal - (4510 / 558 / 2D16)
\d{2}a digit, repeated exactly 2 times
\-the literal - (4510 / 558 / 2D16)
\d{3}a digit, repeated exactly 3 times
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