.*?any Unicode character (except for line terminators), repeated any number of times
\s+a Unicode whitespace character, repeated at least once
andthe literal text and (case sensitive) \s+a Unicode whitespace character, repeated at least once
\S+any character that is not Unicode whitespace, repeated at least once
\s+a Unicode whitespace character, repeated at least once
\S+any character that is not Unicode whitespace, repeated at least once
\ba Unicode word boundary
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