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Iphone 如何确定NSString是否基于拉丁语?_Iphone_Objective C_Cocoa Touch - Fatal编程技术网

Iphone 如何确定NSString是否基于拉丁语?

Iphone 如何确定NSString是否基于拉丁语?,iphone,objective-c,cocoa-touch,Iphone,Objective C,Cocoa Touch,我试图确定字符串是基于拉丁语还是日语 我尝试了以下方法,但对于日文字符串也返回YES: NSCharacterSet *alphaSet = [NSCharacterSet alphanumericCharacterSet]; BOOL isAlpha = [[myStr stringByTrimmingCharactersInSet:alphaSet] isEqualToString:@""]; 字符串可以是“café”或类似“café”的单词カフェ" 或"喫茶店“使用该方法。例如: BOO

我试图确定字符串是基于拉丁语还是日语

我尝试了以下方法,但对于日文字符串也返回YES:

NSCharacterSet *alphaSet = [NSCharacterSet alphanumericCharacterSet];
BOOL isAlpha = [[myStr stringByTrimmingCharactersInSet:alphaSet] isEqualToString:@""];
字符串可以是“café”或类似“café”的单词カフェ" 或"喫茶店“

使用该方法。例如:

BOOL isLatin = [myString canBeConvertedToEncoding:NSISOLatin1StringEncoding];
可用的编码是