RegExp Docs Regular Expressions Docs
. - single char x? - optional or non-greedy x+ - 1 or more times x* - 0 or more times () - group $1...$9 [] - chars \x - escape x ^x - line begin or negated expression x$ - line end x|y - either x or y
RegExp Docs Regular Expressions Docs
. - single char x? - optional or non-greedy x+ - 1 or more times x* - 0 or more times () - group $1...$9 [] - chars \x - escape x ^x - line begin or negated expression x$ - line end x|y - either x or y