2021
05-02
05-02
Java 如何使用正则表达式去除前导0
我就废话不多说了,大家还是看代码吧Strings="0000000002121210"s=s.replaceAll("^(0+)","");System.out.println(s);补充:Java中数字处理去掉末尾的0实例如下所示:publicstaticStringinsertComma(Strings,intlen){if(s==null||s.length()<1){return"";}NumberFormatformater=null;doublenum=Double.parseDouble(s);if(len==0){formater=newDecimalFormat("#...
继续阅读 >