zoukankan      html  css  js  c++  java
  • 正则表达式

    只能输入纯数字

    onkeyup="this.value=this.value.replace(/D/g,'')";
    onafterpaste="this.value=this.value.replace(/D/g,'')";

    只能输入中文
     onkeyup="value=value.replace(/[^u4E00-u9FA5]/g,'')" ;onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^u4E00-u9FA5]/g,''))"
    开头不能为0,不能有小数点 
    onkeyup="this.value=this.value.replace(/D|^0/g,'')" onafterpaste="this.value=this.value.replace(/D|^0/g,'')"
    开头不能为0
    <div class="input-choseNum">
    <input type="number" id="inp-chooseNum" oninput='this.value=this.value.replace(/^[0]+[0-9]*$/gi,"")' maxlength="5" />
    <span class="sureChoose">确定</span><span class="closeChoose">取消</span>
    </div>
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  • 原文地址:https://www.cnblogs.com/deepalley/p/13215677.html
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