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var bookArr = ["呼啸山庄.txt", "飘.txt", "母猪的产后护理.txt", "HarryPotter.txt", "Tom&Jerry.txt", "Time.txt"];
var reg = /[\u4E00-\u9FA5]\.txt/g;
for (var i = 0; i < bookArr.length; i++) {
if (reg.test(bookArr[i])) {
console.log(bookArr[i]);console.log(reg.lastIndex);reg.lastIndex=0;
}
}
http://bbs.csdn.net/topics/120009926 很久以前我也有这个疑问