^start of string
\s*any whitespace character, repeated any number of times
*matches any number of characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
\.?optionally matches the literal . (4610 / 568 / 2E16)
*matches any number of characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
\s+any whitespace character, repeated at least once
\d{1,2}a digit, repeated between 1 and 2 times
\Wany non-word character
_the literal _ (9510 / 1378 / 5F16)
\s+any whitespace character, repeated at least once
+matches at least one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
A-Fone character from A (6510) to F (7010) (case sensitive)
?matches at most one character from the set below:
xthe literal x (12010 / 1708 / 7816) (case sensitive)
\s+any whitespace character, repeated at least once
Non-Capturing Group(?:Rx|Tx) Rxthe literal text Rx (case sensitive) Txthe literal text Tx (case sensitive) \s+any whitespace character, repeated at least once
dthe literal d (10010 / 1448 / 6416) (case sensitive)
\sany whitespace character
0-8one character from 0 (4810) to 8 (5610)
\s?optionally matches any whitespace character
Group 4((?:[0-9A-F]{2}[ ]?){0,8}) Non-Capturing Group(?:[0-9A-F]{2}[ ]?){0,8} {0,8}repeats the group contents below between 0 and 8 times:
Character Class[0-9A-F]{2} {2}matches exactly 2 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
A-Fone character from A (6510) to F (7010) (case sensitive)
?matches at most one character from the set below:
the literal (3210 / 408 / 2016)
$end of string, or before its final line terminator
g modifier: global. Finds all matches instead of stopping after the first