Character Class[\p{L}\s]+ +matches at least one character from the set below:
\p{L}any Unicode letter
\sany whitespace character
\sany whitespace character
-the literal - (4510 / 558 / 2D16)
.+any character (except for line terminators), repeated at least once
:the literal : (5810 / 728 / 3A16)
*matches any number of characters from the set below:
\da digit
\/the literal / (4710 / 578 / 2F16)
u modifier: unicode. Enables Unicode-aware matching and escape syntax