^start of line
\/the literal / (4710 / 578 / 2F16)
mythe literal text my (case sensitive) \/the literal / (4710 / 578 / 2F16)
servicethe literal text service (case sensitive) \/the literal / (4710 / 578 / 2F16)
urlthe literal text url (case sensitive) \?the literal ? (6310 / 778 / 3F16)
.*any character (except for line terminators), repeated any number of times
Group 1(specificParam.*(M[0-9]{9})) specificParamthe literal text specificParam (case sensitive) .*any character (except for line terminators), repeated any number of times
Mthe literal M (7710 / 1158 / 4D16) (case sensitive)
{9}matches exactly 9 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
.*any character (except for line terminators), 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