假设我有以下句子:Iamasentencethathashyphenated-wordsatsome-pointsinit.我有以下代码:NSCharacterSet*separators=[NSCharacterSetcharacterSetWithCharactersInString:@"-"];NSArray*sentenceArray=[sentencecomponentsSeparatedByCharactersInSet:separators];将字符串分隔成一个数组，以空格和连字符分隔。结果数组是:["I","am","a","sentence","that","has"