Date
Dec. 31st, 2024
 
2024年 12月 1日

Post: Useful RegEx

Useful RegEx

Published 12:09 Sep 20, 2015.

Created by @ezra. Categorized in #Technology, and tagged as #RegEx.

Source format: Markdown

Table of Content

Hex Value

/^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/

匹配示例:

#a3c113

错误示例:

#4d82h4

HTML Tag

/^<([a-z]+)([^<]+)*(?:>(.*)<\/\1>|\s+\/>)$/

匹配示例:

<a href="{{ site.url }}/">Meniny+</a>

错误示例:

<img src="img.jpg" ⌥="Some image>" />

IP Address

/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/

匹配示例:

123.45.67.89

错误示例:

256.45.67.89

URL

/^(https?:\/\/)?([\dA-Za-z\.-]+)\.([A-Za-z\.]{2,6})([\/\w \.-]*)*\/?$/

匹配示例:

{{ site.url }}/something

错误示例:

https://google.com/some/file!!.html

E-mail

/^([A-Za-z0-9_\.-]+)@([\dA-Za-z\.-]+)\.([A-Za-z\.]{2,6})$/

匹配示例:

Meniny@qq.com

错误示例:

Meniny@qq.somethingtoolongohitssolong
Pinned Message
HOTODOGO
The Founder and CEO of Infeca Technology.
Developer, Designer, Blogger.
Big fan of Apple, Love of colour.
Feel free to contact me.
反曲点科技创始人和首席执行官。
开发、设计与写作皆为所长。
热爱苹果、钟情色彩。
随时恭候 垂询