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求英语作文!!
Dear Mr.marel:
In the past three years, I have learnt a lot from English. I think English is interesting and useful. I can use English to write letters. I can talk to foreigners. And I can listen to English music. But I want to give you some advice.
In my opinion, you can make your class more interesting. And you should teach us something about foreign culture. What ‘s more , you should let us talk with each other in English.
Thank you very much. I will never forget you!
Yours,
Li Ming
javascript 正则获取倒数第二个/后面的字符串
var aaa = “adf/abc/cvb/dfg/123”;
var bbb = aaa.replace(/.*\/([^\/]+\/[^\/]+)$/, ‘$1’);
// 不用正则
var aaa = “adf/abc/cvb/dfg/123”;
var bbb = aaa.substr(aaa.lastIndexOf(‘/’, aaa.lastIndexOf(‘/’) – 1) + 1);
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