Date
Sep. 8th, 2024
 
2024年 8月 6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.
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Feel free to contact me.
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