JavaScript字符串基于值拆分

Question

我有一个以这种格式的变量对象值：

"Landing Hits: 0Rewards Hits: 0Facebook Posts: 0Twitter Tweets: 0Twitter Autofollows: 0Instagram Photos: 0Instagram Likes: 0Instagram Votes: 0Pinterest Pins: 0Form Submissions: 0Submissions: 0Engagement: 0Views: 0Prints: 0"

我需要将其转换为：

"Landing Hits: 0, Rewards Hits: 0, Facebook Posts: 0, Twitter Tweets: 0, Twitter Autofollows: 0, Instagram Photos: 0, Instagram Likes: 0, Instagram Votes: 0, Pinterest Pins: 0, Form Submissions: 0, Submissions: 0, Engagement: 0, Views: 0, Prints: 0"

任何想法如何做到这一点？

Answer 1

您可以使用RegEx搜索匹配项。

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rdd1.flatMap(flattenLine)

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只需替换：如果您只需更换字符串，您也可以这样做：

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var str = "Landing Hits: 0Rewards Hits: 0Facebook Posts: 0Twitter Tweets: 0Twitter Autofollows: 0Instagram Photos: 0Instagram Likes: 0Instagram Votes: 0Pinterest Pins: 0Form Submissions: 0Submissions: 0Engagement: 0Views: 0Prints: 0";

var arr = str.match(/[^:]+\s*:\s*\d+/g); //Find values like `String:Number`

var out = arr.join(", "); //Convert array matches to String

document.write("<pre>" + out + "</pre>"); //Test

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扩展为对象：这允许您处理为其他目的而获得的值

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var str = "Landing Hits: 0Rewards Hits: 0Facebook Posts: 0Twitter Tweets: 0Twitter Autofollows: 0Instagram Photos: 0Instagram Likes: 0Instagram Votes: 0Pinterest Pins: 0Form Submissions: 0Submissions: 0Engagement: 0Views: 0Prints: 0";

var formatted = str.replace(/(\d)(\w)/g, "$1, $2");

document.write(formatted)

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Answer 2

你可以试试这个：

var c = "Landing Hits: 0345Rewards Hits: 0Facebook Posts: 0Twitter Tweets: 034534532Twitter Autofollows: 0Instagram Photos: 0Instagram Likes: 0Instagram Votes: 0Pinterest Pins: 0Form Submissions: 0Submissions: 0Engagement: 0Views: 0Prints: 0";
    var array = []
    var counter = 0;
    var num;
    var dup = "";
    for (var i = 0; i < c.length; i++) {
         dup += c[i];
        if (c[i]==":"){dup+=" ";}
        if (!isNaN(c[i]) && isNaN(c[i+1]) && c[i]!=" ") {
            dup += ", "
        }
    }
        alert(dup);

url（小提琴）：https://jsfiddle.net/eugensunic/kphe5fbL/13/

Answer 3

在代码中添加以下行

var str = "Landing Hits: 0Rewards Hits: 0Facebook Posts: 0Twitter Tweets: 0Twitter Autofollows: 0Instagram Photos: 0Instagram Likes: 0Instagram Votes: 0Pinterest Pins: 0Form Submissions: 0Submissions: 0Engagement: 0Views: 0Prints: 0";

alert(str.replace(/0|_/g,'0,'));

Answer 4

您不需要Regex：

var str = "Landing Hits: 0Rewards Hits: 0Facebook Posts: 0Twitter Tweets: 0Twitter Autofollows: 0Instagram Photos: 0Instagram Likes: 0Instagram Votes: 0Pinterest Pins: 0Form Submissions: 0Submissions: 0Engagement: 0Views: 0Prints: 0";
var newStr = str.split(0).join('0, ').slice(0, -2);