我可以用较少的代码来做到这一点吗?多字符串的有效方式ByByReplacingOccurrencesOfString
urlString = [urlString stringByReplacingOccurrencesOfString:@" " withString:@""];
urlString = [urlString stringByReplacingOccurrencesOfString:@"\t" withString:@""];
urlString = [urlString stringByReplacingOccurrencesOfString:@"\n" withString:@""];
urlString = [urlString stringByReplacingOccurrencesOfString:@"\r" withString:@""];
如果一个字符串在*中间包含这些*,你希望这些被删除,还是只是在开始和结束? –
在while循环中使用一个动态增加变量的数组,然后在'objectAtIndex:(intVar)'中使用' –