function getDailyMotionId(url) {
var m = url.match(/^.+dailymotion.com\/(video|hub)\/([^_]+)[^#]*(#video=([^_&]+))?/);
if (m !== null) {
if(m[4] !== undefined) {
return m[4];
}
return m[2];
}
return null;
}
console.log(getDailyMotionId("http://www.dailymotion.com/video/x44lvd_rates-of-exchange-like-a-renegade_music"));
console.log(getDailyMotionId("http://www.dailymotion.com/video/x44lvd"));
console.log(getDailyMotionId("http://www.dailymotion.com/hub/x9q_Galatasaray"));
console.log(getDailyMotionId("http://www.dailymotion.com/hub/x9q_Galatasaray#video=xjw21s"));
console.log(getDailyMotionId("http://www.dailymotion.com/video/xn1bi0_hakan-yukur-klip_sport"));
与此同时,我学习了一些正则表达式。
这是一个更新版本,它返回在文本中找到的任何 dailymotion id 的数组:
function getDailyMotionIds(str) {
var ret = [];
var re = /(?:dailymotion\.com(?:\/video|\/hub)|dai\.ly)\/([0-9a-z]+)(?:[\-_0-9a-zA-Z]+#video=([a-z0-9]+))?/g;
var m;
while ((m = re.exec(str)) != null) {
if (m.index === re.lastIndex) {
re.lastIndex++;
}
ret.push(m[2]?m[2]:m[1]);
}
return ret;
}
通过在文本框中输入来测试它http://jsfiddle.net/18upkjaa/embedded/result/