Positive Lookbehind(?<=Total\r?\n) Totalthe literal text Total (case sensitive) \r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
.+any character (except for line terminators), repeated at least once
\s+any whitespace character, repeated at least once
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
{3}matches exactly 3 characters from the set below:
A-zone character from A (6510) to z (12210) (case sensitive)
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