Escapes the special characters used for regular expressions
in string, for instance "a.b*c" becomes "a.b*c". This
function is useful to dynamically generate regular expressions.
string can contain nul characters that are replaced with "\0",
in this case remember to specify the correct length of string
in length.
Parameters
string: string
the string to escape
length: number
the length of string, in bytes, or -1 if string is nul-terminated
Escapes the special characters used for regular expressions in
string, for instance "a.b*c" becomes "a.b*c". This function is useful to dynamically generate regular expressions.stringcan contain nul characters that are replaced with "\0", in this case remember to specify the correct length ofstringinlength.