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NSString [a hasPrefix: ] [a hasSuffix:] 判断肇始和结束是否包含

热度:430   发布时间:2012-09-20 09:36:50.0
NSString [a hasPrefix: ] [a hasSuffix:] 判断开头和结束是否包含
NSString   [a hasPrefix: ]  [a hasSuffix:]  判断开头和结束是否包含....

- (void)viewDidLoad
{
    NSMutableString  *a = [[NSMutableString alloc ] initWithString :@"i like long dress"];
    NSLog(@"\n a: %@",a);
    [a hasPrefix:@"i"] ==YES? NSLog(@"以 i 开头"): NSLog(@"不以 i 开头");
    [a hasSuffix:@"hat"] ==YES? NSLog(@"以 hat 结尾"): NSLog(@"不以 hat 结尾");
    [a release];
}

2011-07-11 18:42:55.734 Q[6700:207]   a: i like long dress
2011-07-11 18:42:55.736 Q[6700:207] 以 i 开头
2011-07-11 18:42:55.737 Q[6700:207] 不以 hat 结尾

查找 字符串 是否包含 某东东时还可以用 rangeOfString