+(NSString *) stringDeleteString:(NSString *)str
{ NSMutableString *str1 = [NSMutableString stringWithString:str]; for (int i = 0; i < str1.length; i++) { unichar c = [str1 characterAtIndex:i]; NSRange range = NSMakeRange(i, 1); if (|| c == ‘"‘ || c == ‘.‘ || c == ‘,‘ || c == ‘(‘ || c == ‘)‘) { //此处可以是任何字符 [str1 deleteCharactersInRange:range]; --i; } } NSString *newstr = [NSString stringWithString:str1]; return newstr;}原文：http://www.cnblogs.com/OIMM/p/5083042.html