RegEx | Matches
-- | --
\w | an alphanumeric character (including _)
\W | a nonalphanumeric
\d | a numeric character (same as [0123456789])
\D | a non-numeric
\s | any space (same as [ \t\n\r\f])
\S | a non space
\h | horizontal whitespace. the tab and all characters in the “space separator” Unicode category.
\H | not a horizontal whitespace
\v | vertical whitespace. all characters treated as line breaks in the Unicode standard.
\V | not a vertical whitespace
You may use \w, \d and \s within user character classes.
but we can also use \W \D \S and \h \H \v \V in char classes AFAIR ??
andgineer
commented
4 years ago
but we can also use \W \D \S and \h \H \v \V in char classes AFAIR ??