第一次发现JavaScript中replace() 方法如果直接用str.replace("-","!") 只会替换第一个匹配的字符. 而str.replace(/\-/g,"!")则可以全部替换掉匹配的字符(g为全局标志). replace() The replace() method returns the string that results when you replace text matching its first argumen
近日在做项目的时候,经常会在页面上处理一些数据.结果发现自己js掌握的并不是很好.那就在这里记录js的点点滴滴吧. 1. 去除字符串中的 html 标签 function delHtmlTag(str){ return str.replace(/<[^>]+>/g,""); } var str = "<span style='display:none;'>This is test</span><br/>"; st
一:准备 在程序的开始,我们可以确定使用一些知识点: indexof,lastIndexOf,StringBuilder. 二:程序 public class IndexOfDemo { @Test public void test1(){ String str="agyyayyaooea"; int posi,x=0; int lastPosi=str.lastIndexOf("a"); StringBuilder sb=new StringBuilder();
The string you will received as a parameter has too many characters. Your job is to remove characters from the string in the following order: 1. Find the smallest i such that the i-th character and the (i+1)-th character of the string are same.