如何将NSString从CamelCase转换为TitleCase，'playerName'转换为'播放器名称'？ [英] How do I convert an NSString from CamelCase to TitleCase, 'playerName' into 'Player Name'?

问题描述

我正在寻找一种最简单的方法将字符串从camelback格式转换为Title Case格式。如何将playerName更改为Player Name ？

解决方案

  NSString * str = @playerName 
 NSMutableString * str2 = [NSMutableString string]; 
 
 for（NSInteger i = 0; i  NSString * ch = [str substringWithRange：NSMakeRange（i，1） 
 if（[ch rangeOfCharacterFromSet：[NSCharacterSet uppercaseLetterCharacterSet]]。location！= NSNotFound）{
 [str2 appendString：@]; 
} 
 [str2 appendString：ch]; 
} 
 NSLog（@％@，str2.capitalizedString）; 
  

I'm looking for the easiest way to convert a string from camelback format to Title Case format.

How do I change 'playerName' into 'Player Name'?

解决方案

NSString *str = @"playerName";
NSMutableString *str2 = [NSMutableString string];

for (NSInteger i=0; i<str.length; i++){
    NSString *ch = [str substringWithRange:NSMakeRange(i, 1)];
    if ([ch rangeOfCharacterFromSet:[NSCharacterSet uppercaseLetterCharacterSet]].location != NSNotFound) {
        [str2 appendString:@" "];
    }
    [str2 appendString:ch];
}
NSLog(@"%@", str2.capitalizedString);

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