生活有度，人生添寿。 —— 书摘

NSString *imagePath = @"https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=1333967633,2116729047&fm=27&gp=0.jpg";

// 判断是否是“https://”开头

[imagePath hasPrefix:@"https://"];

// 判断是否是“.jpg”结尾

[imagePath hasSuffix:@".jpg"];

// 判断是否包含“bdstatic”

if([imagePath rangeOfString:@"bdstatic"].location==NSNotFound) {

        NSLog(@"不包含bdstatic");

 } else {

        NSLog(@"包含bdstatic");

}