^start of line
\h+any horizontal whitespace character, repeated at least once
Invokedthe literal text Invoked (case insensitive) \h+any horizontal whitespace character, repeated at least once
at:the literal text at: (case insensitive) \h+any horizontal whitespace character, repeated at least once
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case insensitive)
\h+any horizontal whitespace character, repeated at least once
+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case insensitive)
\h+any horizontal whitespace character, repeated at least once
\da digit
\d?optionally matches a digit
\h+any horizontal whitespace character, repeated at least once
\da digit
\d?optionally matches a digit
:the literal : (5810 / 728 / 3A16)
\da digit
\d?optionally matches a digit
:the literal : (5810 / 728 / 3A16)
\da digit
\d?optionally matches a digit
\h+any horizontal whitespace character, repeated at least once
\d{4}a digit, repeated exactly 4 times
Positive Lookahead(?=\h+###$) \h+any horizontal whitespace character, repeated at least once
$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
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters