If the syntax bit @code{RE_CHAR_CLASSES} is set, then Regex recognizes
character class expressions inside lists. A @dfn{character class
If the syntax bit @code{RE_CHAR_CLASSES} is set, then Regex recognizes
character class expressions inside lists. A @dfn{character class
contain newline and null characters. @var{size} is the length of that
string. @var{start} is the string index at which you want to
begin matching; the first character of @var{string} is at index zero.
contain newline and null characters. @var{size} is the length of that
string. @var{start} is the string index at which you want to
begin matching; the first character of @var{string} is at index zero.