Negated Character Class[^\s]+ +matches at least one character outside the set below:
\sa Unicode whitespace character
\s*a Unicode whitespace character, repeated any number of times
:the literal : (5810 / 728 / 3A16)
\s*a Unicode whitespace character, repeated any number of times
.*?any Unicode character (except for line terminators), repeated any number of times
\s*a Unicode whitespace character, repeated any number of times
Positive Lookahead(?=[^\s]+:|$) Negated Character Class[^\s]+ +matches at least one character outside the set below:
\sa Unicode whitespace character
:the literal : (5810 / 728 / 3A16)
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