protected int toRegex(PatternAPI regex, Locale locale, String flags, char padding, int width, int precision, String formatString, int position) {
        throw new UnsupportedOperationException("Explicit width matching not supported.");
    }
protected int toRegex ( PatternAPI regex , Locale locale , String flags , char padding , int width , int precision , String formatString , int position ) { throw new UnsupportedOperationException ( "Explicit width matching not supported." ) ; }
Appends a pattern to {@code pattern} that will be parsed into a value.
If {@code with} is non-negative, it specifies the exact number of
characters the pattern should consume.
@param regex
@param locale
@param flags
@param padding
@param width
@param precision
@param formatString
@param position
@return