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Javascript str.search()多个实例_Javascript_String_Search_Indexing_Multiple Instances - Fatal编程技术网

Javascript str.search()多个实例

Javascript str.search()多个实例,javascript,string,search,indexing,multiple-instances,Javascript,String,Search,Indexing,Multiple Instances,如何从字符串搜索的多个实例中检索多个索引 var str = "food"; var index1 = str.search("o"); // 1 var index2 = str.search("o"); // ? 多谢各位, Wen您可以使用indexOf方法的第二个参数来实现您想要的: var str = "food", index1 = str.indexOf("o"), index2 = str.indexOf("o", index1+1); 我认为对于长度不平凡的

如何从字符串搜索的多个实例中检索多个索引

var str = "food";
var index1 = str.search("o"); // 1
var index2 = str.search("o"); // ?
多谢各位,
Wen

您可以使用
indexOf
方法的第二个参数来实现您想要的:

var str = "food",
    index1 = str.indexOf("o"),
    index2 = str.indexOf("o", index1+1);

我认为对于长度不平凡的字符串,最好的方法是:


啊,我明白了!非常感谢你
var str = "Foooooooood!",
    re = /o/g,
    match;
while (match = re.exec(str)) {
    console.log(match.index); // logs 1 through 9
}