[NSString stringByReplacingPercentEscapesUsingEncoding]
Returns a new string made by replacing in the receiver all percent escapes with the matching characters as determined by a given encoding.
- (NSString *)stringByReplacingPercentEscapesUsingEncoding:(NSStringEncoding)encoding
Parameters
- encoding
- The encoding to use for the returned string.
Return Value of [NSString stringByReplacingPercentEscapesUsingEncoding]
A new string made by replacing in the receiver all percent escapes with the matching characters as determined by the given encoding encoding. Returns
nil if the transformation is not possible, for example, the percent escapes give a byte sequence not legal in encoding.Discussion
See
CFURLCreateStringByReplacingPercentEscapes for more complex transformations.
Example of [NSString stringByReplacingPercentEscapesUsingEncoding]
NSString *path = [[@"path+with+spaces"
stringByReplacingOccurrencesOfString:@"+" withString:@" "]
stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
Example of [NSString stringByReplacingPercentEscapesUsingEncoding]
@interface NSString (stringByDecodingURLFormat)
- (NSString *)stringByDecodingURLFormat;
@end
@implementation NSString
- (NSString *)stringByDecodingURLFormat
{
NSString *result = [(NSString *)self stringByReplacingOccurrencesOfString:@"+" withString:@" "];
result = [result stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
return result;
}
@end
Example of [NSString stringByReplacingPercentEscapesUsingEncoding]
NSString *input = @"Hello%20World";
NSString *output = [text stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"%@ becomes %@",input,output);
Log: Hello%20World becomes Hello World