private static final Pattern AMOUNT_PATTERN=Pattern.compile("^(0|[1-9]\\d{0,11})\\.(\\d\\d)$");//不考虑分隔符正确性
private static final char[]RMB_NUMS="零壹贰叄肆伍陆柒捌玖".toCharArray();
private static final String[] UNITS={"元","角","分","整"};
private static final String[] U1={"","拾","佰","仟"};
private static final String[] U2={"","万","亿"};
下面的这段代码要怎么理解啊???
private static final Pattern AMOUNT_PATTERN=Pattern.compile("^(0|[1-9]\\d{0,11})\\.(\\d\\d)$");//不考虑分隔符正确性