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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | 26x 30x | // http://urlregex.com/ ==> Ruby
const re = /^(?:(?:https?):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/i
/**
* 检测传入值是否是 URL。
*
* @public
* @param value 要检测的值
* @returns 返回检测结果
* @example
* ```typescript
* isUrl('foo.bar') // => false
* isUrl('http://foo.bar') // => true
* ```
*/
export function isUrl(value: string) {
return re.test(value)
}
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