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[Java教程]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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