Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

0

Italian geographic directory number

PCRE (PHP <7.3)
Useful to discriminate italian geographic numbers from non geographic. Regex validates also the length (in digits) of the directory number Regex considers italian country code and + sign. Italian numbers are considered geographic when are prefixed with 0. Italian prefixes length is 2-4 digits lo...
Submitted by Stefano Coletta - 7 years ago
0

Regex for MAC address

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Regex for MAC address with unit tests

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

JSON object key matcher

ECMAScript (JavaScript)
Matches JSON object keys
Submitted by Ariel Schiavoni - 7 years ago
0

URI slug with optional slashes and query string

PCRE (PHP <7.3)
Validates a URI slug. Must: Contain lowercase alphanumeric character(s) separated with a single dash. Optionally allows:...
Submitted by Quentin McRee - 7 years ago
0

由数字、26个英文字母或下划线组成的字符串

ECMAScript (JavaScript)
由数字、26个英文字母或下划线组成的字符串
Submitted by anonymous - 7 years ago
0

校验密码强度

ECMAScript (JavaScript)
密码的强度必须是包含大小写字母和数字的组合，不能使用特殊字符，长度在8-10之间。
Submitted by anonymous - 7 years ago
0

校验中文

ECMAScript (JavaScript)
字符串仅能是中文。
Submitted by anonymous - 7 years ago
0

校验E-Mail 地址

ECMAScript (JavaScript)
同密码一样，下面是E-mail地址合规性的正则检查语句。
Submitted by anonymous - 7 years ago
0

校验身份证号码

ECMAScript (JavaScript)
18位
Submitted by anonymous - 7 years ago
0

校验身份证号码

ECMAScript (JavaScript)
15位
Submitted by anonymous - 7 years ago
0

校验日期

ECMAScript (JavaScript)
“yyyy-mm-dd“ 格式的日期校验，已考虑平闰年。
Submitted by anonymous - 7 years ago
0

校验IP-v4地址

ECMAScript (JavaScript)
IP4 正则语句
Submitted by anonymous - 7 years ago
0

校验IP-v6地址

ECMAScript (JavaScript)
IP4 正则语句
Submitted by anonymous - 7 years ago
0

提取Color Hex Codes

ECMAScript (JavaScript)
有时需要抽取网页中的颜色代码，可以使用下面的表达式。
Submitted by anonymous - 7 years ago
0

提取网页图片

ECMAScript (JavaScript)
假若你想提取网页中所有图片信息，可以利用下面的表达式。
Submitted by anonymous - 7 years ago
0

抽取注释

ECMAScript (JavaScript)
如果你需要移除HMTL中的注释，可以使用如下的表达式。
Submitted by anonymous - 7 years ago
0

匹配HTML标签

ECMAScript (JavaScript)
通过下面的表达式可以匹配出HTML中的标签属性。
Submitted by anonymous - 7 years ago
0

aurora

PCRE (PHP <7.3)
pagination regex.
Submitted by anonymous - 7 years ago
0

interfaces

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
1...420421422423424...901

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^rgba?\((([+-]?\d+(\.\d+)?),\s*){2}[+-]?\d+(\.\d+)?(,\s*(0?\.\d|[01]))?\)$
/
Open regex in editor

Description

CSS RGB Color Regex for JS

  • Supports RGB and RGBA syntax (identical in CSS Color Module Level 4)
  • Well tested
  • Allows for decimal values
  • Currently does not support percentage values or CSS Color Module Level 4 white-space syntax
Submitted by anonymous - 5 years ago