按空格数拆分 NSString [英] Split NSString by number of whitespaces

问题描述

我有一个 NSString，其中包含一些由未知数量的空白字符分隔的值.例如:

I have an NSString that contains some values separated by an unknown number of whitespace characters. For example:

NSString* line = @"1 2     3";

我想将 NSString 拆分为一个 NSArray 值，如下所示:{@"1", @"2", @"3"}.

I would like to split the NSString into an NSArray of values like so: {@"1", @"2", @"3"}.

推荐答案

获取由 @" " 分隔的组件，并从结果中删除所有类似 @"" 的对象数组.

Get the components separated by @" " and remove all objects like @"" from the resultant array.

NSString* line = @"1 2     3";
NSMutableArray *array = (NSMutableArray *)[line componentsSeparatedByString:@" "];
[array removeObject:@""]; // This removes all objects like @""

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