删除部分NSString

Question

我有一个NSString如下:

<img alt="996453912" src="http://d2gg0uigdtw9zz.cloudfront.net/large/996453912.jpg" /><a href="http://www.dealcatcher.com/shop4tech-coupons">Shop4Tech Coupons</a>

我只需要第一部分(部分之前<a href),我无法弄清楚如何删除第二部分.

我尝试了一吨,但它没有奏效.

Answer 1

使用类似的东西:

NSRange rangeOfSubstring = [string rangeOfString:@"<a href"];

if(rangeOfSubstring.location == NSNotFound)
{
     // error condition — the text '<a href' wasn't in 'string'
}

// return only that portion of 'string' up to where '<a href' was found
return [string substringToIndex:rangeOfSubstring.location];

所以两个相关的方法是substringToIndex:和rangeOfString : .