\<the literal < (6010 / 748 / 3C16)
\sany whitespace character
\wany word character
\:the literal : (5810 / 728 / 3A16)
*matches any number of characters from the set below:
\da digit
\wany word character
\:the literal : (5810 / 728 / 3A16)
\sany whitespace character
\>the literal > (6210 / 768 / 3E16)