[NSString stringByReplacingCharactersInRange withString]
Returns a new string in which the characters in a specified range of the receiver are replaced by a given string.
- (NSString *)stringByReplacingCharactersInRange:(NSRange)rangewithString:(NSString *)replacement
Parameters
- range
- A range of characters in the receiver.
- replacement
- The string with which to replace the characters in range.
Return Value of [NSString stringByReplacingCharactersInRange withString]
A new string in which the characters in range of the receiver are replaced byreplacement.
Example of [NSString stringByReplacingCharactersInRange withString]
NSString *someText = @"Goat";
NSRange range = NSMakeRange(0,1);
NSString *newText = [someText stringByReplacingCharactersInRange:range withString:@"B"];
Example of [NSString stringByReplacingCharactersInRange withString]
NSString *myword=[NSString stringWithString:@"0123456789"];
NSLog(@"Before = %@ ",myword);
NSRange firstCharRange = NSMakeRange(1,2); myword = [myword stringByReplacingCharactersInRange:firstCharRange withString:@"H"];
NSLog(@"After = %@ ",myword);
Example of [NSString stringByReplacingCharactersInRange withString]
NSString *theRiddle;
NSString *hiddenTextField = [[[NSMutableString alloc] initWithString:hiddenText.text] autorelease];
for (int i = textCount-1 ; i>=0; i--) {
NSString *aChar=[fullTextField substringWithRange:NSMakeRange(i,1)];
if ([aChar isEqualToString:@" "]) {
theRiddle= [hiddenTextField stringByReplacingCharactersInRange:NSMakeRange(i, 1) withString:@" "];
}else if ([aChar isEqualToString:character]) {
theRiddle =[hiddenTextField stringByReplacingCharactersInRange:NSMakeRange(i, 1) withString:aChar];
}
else {
theRiddle = hiddenTextField;
}
hiddenTextField = theRiddle;
}
hiddenText.text=theRiddle;