JS--常用的校验正则表达式

心已赠人 2021-08-13 21:53 439阅读 0赞

<table> 
 <thead> 
  <tr> 
   <th align="center">类型</th> 
   <th align="center">正则表达式</th> 
   <th align="center">描述</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td align="center">数字校验</td> 
   <td align="center"><code>^[0-9]*$</code></td> 
   <td align="center">0~n个数字</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^\d{n}$</code></td> 
   <td align="center">n位整数</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^\d{n,}$</code></td> 
   <td align="center">至少n位的数字</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^\d{m,n}$</code></td> 
   <td align="center">m~n位的数字</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^([1-9][0-9]*)+(.[0-9]{1,2})?$</code></td> 
   <td align="center">非零开头，且最多带两位小数的数字</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^(\-)?\d+(\.\d{1,2})?$</code></td> 
   <td align="center">带1~2位小鼠的整数或负数</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^[1-9]\d*$</code></td> 
   <td align="center">非零正整数</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^\-[1-9]\d*$</code></td> 
   <td align="center">非零负整数</td> 
  </tr> 
  <tr> 
   <td align="center">字符串校验</td> 
   <td align="center"><code>^[\u4e00-\u9fa5]{0,}$</code></td> 
   <td align="center">汉字</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>&amp;[A-Za-z0-9]+$</code></td> 
   <td align="center">数字和字母组成的字符串</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^.{6,30}$</code></td> 
   <td align="center">长度为6~30的所有字符</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^[A-Za-z]+$</code></td> 
   <td align="center">英文字母组成的字符串，不区分大小写</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^[A-Z]+$</code></td> 
   <td align="center">大写字母组成的字符串</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^[a-z]+$</code></td> 
   <td align="center">小写字母组成的字符串</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^\w+$</code></td> 
   <td align="center">由数字、英文字母或者下划线组成的字符串</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^[\u4E00-\u9FA5A-Za-z0-9]+$</code></td> 
   <td align="center">由数字、下划线、英文字母或者中文组成的字符串</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^[\u4E00-\u9FA5A-Za-z0-9]+</code></td> 
   <td align="center">由中文、英文字母和数字组成的字符串</td> 
  </tr> 
  <tr> 
   <td align="center">特殊校验</td> 
   <td align="center"><code>/^#?([a-f0-9]{6}|[a-f0-9]{3})$/</code></td> 
   <td align="center">十六进制值</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>\d{3}-\d{8}|\d{4}-\d{7}</code></td> 
   <td align="center">国内电话</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>/(^\d{15}$)|(^\d{17}([0-9]|X))$</code></td> 
   <td align="center">身份证号码</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>^\d{4}-\d{1,2}-\d{1,2}</code></td> 
   <td align="center">日期格式</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>[1-9][0-9]{4,}</code></td> 
   <td align="center">QQ号，从10000开始</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>\n\s*\r</code></td> 
   <td align="center">可以用来删除空白行</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>[1-9]\d{5}(?!\d)</code></td> 
   <td align="center">邮政编码</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>/^[+]{0,1}(d){1,3}[]?([-]?((d)|[]){1,12})+$</code></td> 
   <td align="center">手机号码</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>/^([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})$/</code></td> 
   <td align="center">Email邮箱</td> 
  </tr> 
  <tr> 
   <td align="center"></td> 
   <td align="center"><code>((?:(?:25[0-5]|2{0-4}\d|((1\d{2})|([1-9]?\d)))\.){3}(?:25[0-5]|2[0-4]\d|((1\d{2})|(]1-9]?\d))))</code></td> 
   <td align="center">IP地址</td> 
  </tr> 
 </tbody> 
</table>