private static String toDefaultStringFormat( Object value ) {
        return new DefaultFormatter<Object>().format( value );
    }
Returns the next index of the argument by decrementing 1 from the possibly parsed number

@param description this String will be searched from the start for a number
@param defaultIndex this will be returned if the match does not succeed
@return the parsed index or the defaultIndex
jgiven-core/src/main/java/com/tngtech/jgiven/report/model/StepFormatter.java