20个常用的正则表达式

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20个常用的正则表达式

1. 匹配数字:\d+

2. 匹配字母或数字:\w+

3. 匹配空白字符:\s+

4. 匹配非空白字符:\S+

5. 匹配邮箱地址:\w+@\w+\.\w+

6. 匹配网址:http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-

F][0-9a-fA-F]))+

7. 匹配中文字符:[\u4e00-\u9fa5]+

8. 匹配日期格式:\d{4}-d{2}-\d{2}

9. 匹配时间格式:\d{2}:\d{2}:\d{2}

10. 匹配手机号:1[3-9]\d{9}

11. 匹配身份证号:\d{17}[\dXx]|d{14}

12. 匹配IP地址:((25[0-5]|2[0-4]\d|[01]?\dd?)\.){3}(25[0-5]|2[0-

4]\d|[01]?\dd?)

13. 匹配微信号:^[a-zA-Z][a-zA-Z_]{5,19}$

14. 匹配车牌号:^[\da-zA-Z]{1}[A-Z]{1}[A-Z_0-9]{5}$

15. 匹配用户名:^\w{3,16}$

16. 匹配密码:^\w{6,18}$

17. 匹配UUID:^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$

18. 匹配MAC地址:^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$

19. 匹配HTML标签:

||||<meta>|<link>|<script>|<style>|<div>|<p>|<ul >|<li>|<table>|<tr>|<td>|<th>|</html></p><p>20. 匹配URL参数:^([^=#]+)=([^&#]*)(&|$)</p> </div> </div> </div> </div> </div> <!-- 推荐文章 --> <!-- 相关主题 --> <div class="theme-list"> <div class="theme-pd content-hg-pd"> <div class="header"> <div class="title"> <h3>相关主题</h3> <i class="bg bg-4"></i> </div> </div> <div class="container"> <ul> <li class="topic"> <a href="/topic/23038445/" target="_blank">常用的正则表达式</a> </li> </ul> </div> </div> </div> </div> <!-- 相关推荐 --> <div class="temp-rg" id="target-element"> <div class="relevant-box temp-mg"> <div class="content" id="side-list"> <div class="header hd-bm hd-scollor"> <div class="title"> <h3>文档推荐</h3> <i class="bg bg-1"></i> </div> </div> <ul class="container-ul"> <li> <div class="ul-doc flex-start"> <i class="icon-docx"></i> <div class="cont-rg flex-column"> <a href="/doc/0219487508.html" target="_blank" title="常用正则表达式语法大全" class="ul-doc-a text-overflow-clamp">常用正则表达式语法大全</a> <div class="bottom"> 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