\S+any non-whitespace character, repeated at least once
\s{2,}any whitespace character, repeated at least 2 times
the literal (3210 / 408 / 2016)
\S+any non-whitespace character, repeated at least once
\s{2,}any whitespace character, repeated at least 2 times
the literal (3210 / 408 / 2016)
\Sany non-whitespace character
.+any character (except for line terminators), repeated at least once
\Sany non-whitespace character
?repeats the group contents below at most once:
\s{2,}any whitespace character, repeated at least 2 times
?optionally matches the literal (3210 / 408 / 2016)
?repeats the group contents below at most once:
\Sany non-whitespace character
.+any character (except for line terminators), repeated at least once
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