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在iOS8以后,还可以用下面的方法来判断是否包含某字符串:
NSString *men = @"Hey are you ?";
if ([women containsString:@"you"]) {
NSLog(@"men 包含 you");
}
//字条串是否包含有某字符串
NSString *string = @"Hey are you ?";
if ([string rangeOfString:@"you"].location == NSNotFound) {
NSLog(@"string 不存在 you");
}
//字条串开始包含有某字符串
if ([string hasPrefix:@"Hey"]) {
NSLog(@"string 包含 Hey");
}
//字符串末尾有某字符串;
if ([string hasSuffix:@"you"]) {
NSLog(@"string 包含 you");
}