@DontLabel
    public Rule string(final String string)
    {
        Objects.requireNonNull(string);
        return string(string.toCharArray());
    }
@DontLabel
    public Rule string(final String string)
    {
        Objects.requireNonNull(string);
        return string(string.toCharArray());
    }
@ DontLabel public Rule string ( final String string ) { Objects . requireNonNull ( string ) ; return string ( string . toCharArray ( ) ) ; }
Match a string literal

@param string the string to match
@return a rule
Match a string literal