| username | / ^ [A-Z0-9 _-] {3,16} $ / |
|---|---|
| password | / ^ [A-Z0-9 _-] {6.18} $ / |
| Hexadecimal value | /^#?([a-f0-9]{6}|[a-f0-9]{3})$/ |
| /^([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})$/ /^[a-z\d]+(\.[a-z\d]+)*@([\da-z](-[\da-z])?)+(\.{1,2}[a-z]+)+$/ |
|
| URL | /^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/ |
| IP addresses | /((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)/ /^(?:(?: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]?)$/ |
| HTML tags | /^<([a-z]+)([^<]+)*(?:>(.*)<\/\1>|\s+\/>)$/ |
| Remove the code \\ comments | (?<!http:|\S)//.*$ |
| Character Unicode encoding range | /^[\u2E80-\u9FFF]+$/ |