How To Remove and Replace String within a String.

// Here We Deleting Something
NSString *content = @"foo/bar:baz.foo";
NSCharacterSet *deleteString = [NSCharacterSet characterSetWithCharactersInString:@"/:."];
content = [[content componentsSeparatedByCharactersInSet: deleteString] componentsJoinedByString: @""];
NSLog(@"String===>>>%@", content);

// Here We Replace Something
NSString *replaceString = @"This is a Dog";
replaceString = [replaceString stringByReplacingOccurrencesOfString:@"Dog" withString:@"Man"];
NSLog(@"Replace String===>>>%@", replaceString);