^start of line
\s*any whitespace character, repeated any number of times
vertex the literal text vertex (case sensitive) Group 1(\d+\.\d+e[-+]\d+) \d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
ethe literal e (10110 / 1458 / 6516) (case sensitive)
-the literal - (4510 / 558 / 2D16)
+the literal + (4310 / 538 / 2B16)
\d+a digit, repeated at least once
the literal (3210 / 408 / 2016)
Group 2(\d+\.\d+e[-+]\d+) \d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
ethe literal e (10110 / 1458 / 6516) (case sensitive)
-the literal - (4510 / 558 / 2D16)
+the literal + (4310 / 538 / 2B16)
\d+a digit, repeated at least once
the literal (3210 / 408 / 2016)
\d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
ethe literal e (10110 / 1458 / 6516) (case sensitive)
-the literal - (4510 / 558 / 2D16)
+the literal + (4310 / 538 / 2B16)
\d+a digit, repeated at least once
\s*any whitespace character, 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