如何在NSString中刪除撇號和空格

Question

NSString *str = @"mario's test";
NSString *stringWithoutSpaces = [str stringByReplacingOccurrencesOfString:@" " withString:@""];

使用此功能，我可以刪除空格，但是我也需要刪除撇號' ：

stringWithoutSpaces = "mariostest"

Answer 1

*stringWithoutSpaces = [[str stringByReplacingOccurrencesOfString:@" " withString:@""]
                             stringByReplacingOccurrencesOfString:@"'" withString:@""];