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#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

    @autoreleasepool {

        NSMutableArray *array = [NSMutableArray arrayWithObjects:@"3",@"2",@"5",nil];

        NSArray* reversedArray = [[array reverseObjectEnumerator] allObjects];//倒序

        for (id str in reversedArray) {

            NSLog(@"%@",str);

        }

    }

    return 0;

}

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

    @autoreleasepool {

        //查找名字里面包含“王”的姓

        NSArray *array = [[NSArray alloc]initWithObjects:@"小王",@"王力",@"李丽",@"方方", nil];

        NSString *match = @"*王*";

        //查找姓王的名字,王字必须为首字则修改NSString *match=@"王*";

        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF like %@", match];

        NSArray *results = [array filteredArrayUsingPredicate:predicate];

        for (id str in results) {

            NSLog(@"%@",str);

        }

    }

    return 0;

}

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原文地址：http://www.cnblogs.com/bobohahaha/p/5120738.html