javascript 过滤字符串中的中文与空格

1.javascript过滤空格：

<code class="language-javascript">function moveSpace() {
    var str = " abc defg";
    alert(str.replace(/[ ]/g, ""));
}
moveSpace();</code>

 

2.javascript过滤中文：

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

 

3. javascript去掉字符串两端的空格

<code class="language-javascript">String.prototype.trim=function (){return this.replace(/(^/s*)|(/s*$)/g,'');}</code>

 

4.javascript去掉字符串所以空格

<code class="language-javascript">String.prototype.sTrim = function (){return this.replace(//s/g, '');}</code>