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iphone - urldecode in objective-c

I'm dealing with an urlencoded string in objective-c. Is there a foundation function that actually reverse the urlENCODING?

The string received is like: K%FChlschrank but should be after decoding Kühlschrank

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I made a quick category to help resolve this :)

@interface NSString (stringByDecodingURLFormat)
- (NSString *)stringByDecodingURLFormat;
@end

@implementation NSString
- (NSString *)stringByDecodingURLFormat
{
    NSString *result = [(NSString *)self stringByReplacingOccurrencesOfString:@"+" withString:@" "];
    result = [result stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    return result;
}
@end

Once defined, this quickly can handle an encoded string:

NSString *decodedString = [myString stringByDecodingURLFormat];

Plenty of other ways to implement.


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