^start of line
ipthe literal text ip (case sensitive) \s+any whitespace character, repeated at least once
routethe literal text route (case sensitive) \s+any whitespace character, repeated at least once
Group 1([0-9|.]{7,15}\/\d{1,2}) Character Class[0-9|.]{7,15} {7,15}matches between 7 and 15 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
|the literal | (12410 / 1748 / 7C16)
.the literal . (4610 / 568 / 2E16)
\/the literal / (4710 / 578 / 2F16)
\d{1,2}a digit, repeated between 1 and 2 times
\s+any whitespace character, repeated at least once
Character Class[0-9|.]{7,15} {7,15}matches between 7 and 15 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
|the literal | (12410 / 1748 / 7C16)
.the literal . (4610 / 568 / 2E16)
\s+any whitespace character, repeated at least once
descriptionthe literal text description (case sensitive) \s+any whitespace character, repeated at least once
.*?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