javascript 过滤字符串中的中文与空格

js 如何过滤字符串里中文或空格呢？方法有很多种，我们可以使用替换与正则表达式来实现，本文向大家介绍两个简单的例子，感兴趣的码农可以参考一下。

1.javascript过滤空格：

function moveSpace() {
    var str = " abc defg";
    alert(str.replace(/[ ]/g, ""));
}
moveSpace();

2.javascript过滤中文：

var title ="字符串zifuchuan"
var reg=/[u4E00-u9FA5]/g;
var result=title.replace(reg,'');
alert(result);

3. javascript去掉字符串两端的空格

String.prototype.trim=function (){return this.replace(/(^/s*)|(/s*$)/g,'');}

4.javascript去掉字符串所以空格

String.prototype.trim=function (){return this.replace(/(^/s*)|(/s*$)/g,'');}

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