查找字符串//jsvarstr="hello"str.indexOf("he");//indexOf()方法返回指定值在字符串对象中最先出现的位置。从fromIndex位置开始查找，不存在则返回-1//golangstrings.Contains("widuu","wi")//phpechostrpos("你爱php，我也爱php！","php");stringSplit//php$str='one,two,three,four';$re=explode(',',$str);//数组['one','two','three','four',]//jsvarstr="2:3:4:5".split(":")//将返回["2","3","4","5"]//Golangs:=strings.Split("abc,abc","")fmt.Println(s,len(s))//[abc,abc]7//返回7个数组元素//python#!/usr/bin/python#-*-编码：UTF-8-*-str="Line1-abcdef\nLine2-abc\nLine4-abcd";printstr.split();#使用空格作为分隔符，包括\nprintstr.split('',1);#使用空格作为分隔符分隔成两个串联的字符串数组并将它们转换为字符串//php$array=array('lastname','email','phone');$comma_separated=implode(",",$array);//"lastname,email,phone"//jsvararray=["2","3","4","5"];varstr=array.加入（”，”）;//"2,3,4,5"//Golangres_two:=[]string{"get","post"}fmt.Println(strings.Join(res_one,","))//"get,post"//pythonlist3=['www','google','com']str4=".".join(list3)//www.google.com字符串替换//golangmsg=strings.Replace(msg,"
