[英]Javascript: How to get Substring of a string after // and before
[英]get value of string before and after / in javascript
假設我有10個本地存儲,例如:
localStorage.setItem("item01","this is a value/100"); localStorage.setItem("item02","this new is a value/110"); localStorage.setItem("item03","this is a good value/120"); localStorage.setItem("item04","this is a nice value/130");
我需要一個Java腳本代碼來檢查例如item01
的key
是否不為0,然后將item01
的data
item01
/
到xyz
之前,並將數據rfv
/
到rfv
變量之后。
我想您將數據字符串沿字符“ /”分開。 就像是:
var lsData = localStorage.getItem("item01");
var dataArray = lsData.split("/");
if(dataArray.length === 2){
var xyz = dataArray[0];
var rfv = dataArray[1];
}
else{
... error-code (could not split exactly)...
}
這應該做...
我假設您知道如何獲取localStorage的值,所以我只發布一個示例。
var a = "this is a value/100"
var b = /^(.*?)\/(\w+)/.exec(a);
var text = b[1]
var value = b[2]
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