.*any Unicode character (except for line terminators), repeated any number of times
the literal (3210 / 408 / 2016)
e:the literal text e: (case sensitive) \d*a Unicode decimal digit, repeated any number of times
the literal (3210 / 408 / 2016)
k:the literal text k: (case sensitive) .*any Unicode character (except for line terminators), repeated any number of times
the literal (3210 / 408 / 2016)
\(the literal ( (4010 / 508 / 2816)
\d{3}a Unicode decimal digit, repeated exactly 3 times
/the literal / (4710 / 578 / 2F16)
\da Unicode decimal digit
\)the literal ) (4110 / 518 / 2916)
$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