+repeats the group contents below at least once:
{1}matches one character from the set below:
\wa Unicode word character
{4}matches exactly 4 characters from the set below:
\da Unicode decimal digit
\sa Unicode whitespace character
{1}matches one character from the set below:
\wa Unicode word character
{5}matches exactly 5 characters from the set below:
\da Unicode decimal digit
\sa Unicode whitespace character
\-the literal - (4510 / 558 / 2D16)
\sa Unicode whitespace character