现在我有这么一个字符串:
<img src='/images/store/icon/icon_star_2.gif'>
<img src='/images/store/icon/icon_star_2.gif'>
<img src='/images/store/icon/icon_star_2.gif'>
<img src='/images/store/icon/icon_star_3.gif'>
<img src='/images/store/icon/icon_star_1.gif'>
我想让它划分为一个字符串数组,把每个<img xxx>分别保存到string[] strArray中,然后对strArray中的每一个字符串处理一下,比如让<img src='/images/store/icon/icon_star_2.gif'>返回2,让<img src='/images/store/icon/icon_star_3.gif'>返回3谢谢大家!!
<img src='/images/store/icon/icon_star_2.gif'>
<img src='/images/store/icon/icon_star_2.gif'>
<img src='/images/store/icon/icon_star_2.gif'>
<img src='/images/store/icon/icon_star_3.gif'>
<img src='/images/store/icon/icon_star_1.gif'>
我想让它划分为一个字符串数组,把每个<img xxx>分别保存到string[] strArray中,然后对strArray中的每一个字符串处理一下,比如让<img src='/images/store/icon/icon_star_2.gif'>返回2,让<img src='/images/store/icon/icon_star_3.gif'>返回3谢谢大家!!
Sring[] strArray;
strArray[0]=@"<img src='/images/store/icon/icon_star_2.gif'>"第二个问题:
使用正则表达式或者indexof处理获取倒数第五个字符
string strAll = "<img src='/images/store/icon/icon_star_2.gif'><img src='/images/store/icon/icon_star_2.gif'><img src='/images/store/icon/icon_star_2.gif'><img src='/images/store/icon/icon_star_3.gif'><img src='/images/store/icon/icon_star_1.gif'>";
string[] arrStr = Regex.Split(strAll,@"(?<=>)\s*(?=<)");
foreach (string str in arrStr)
{
string temp = Regex.Match(str,@"(?<=icon_star_)\d*(?=\.gif)",RegexOptions.IgnoreCase).Value;
int n = int.Parse(temp);
continue; //设个断点观察n的值
}
(?<=>)\s*(?=<)
是什么意思呢?还有这个
(?<=icon_star_)\d*(?=\.gif)
(?<=>)是指左边需要有>,但不匹配它。
(?=<)是指右边需要有<,但不匹配它。
匹配的只是中间的\s*另一个差不多。