iOS 字符串截取,将字符串中用括号包含的内容去除

//去除字符串中用括号括住的位置

-(NSString *)handleStringWithString:(NSString *)str{

    NSMutableString * muStr = [NSMutableString stringWithString:str];

    while (1) {

        NSRange range = [muStr rangeOfString:@"("];

        NSRange range1 = [muStr rangeOfString:@")"];

        if (range.location != NSNotFound) {

            NSInteger loc = range.location;

            NSInteger len = range1.location - range.location;

            [muStr deleteCharactersInRange:NSMakeRange(loc, len + 1)];

        }else{

            break;

        }

    }

    return muStr;

}