我要评论1.截取字符串中指定内容
复制代码 代码如下:
{"weatherinfo":{"city":"北京","cityid":"101010100","temp":"-4","wd":"西北风","ws":"2级","sd":"29%","wse":"2","time":"09:40","isradar":"1","radar":"jc_radar_az9010_jb"}}
复制代码 代码如下:
string pattern = "{\"weatherinfo\":(.*)}";
var result = regex.match(weatherqueryresult, pattern, regexoptions.ignorecase).groups;
复制代码 代码如下:
返回结果为{"city":"北京","cityid":"101010100","temp":"-4","wd":"西北风","ws":"2级","sd":"29%","wse":"2","time":"09:40","isradar":"1","radar":"jc_radar_az9010_jb"}
2.截取字符串中的数字
复制代码 代码如下:
string s = "b123-c12";
matchcollection vmatchs = regex.matches(s, @"(\d+)");
vmatchs[0].value
返回结果 123，12
3.截取字符串中的字母
复制代码 代码如下:
string str = "呵呵呵呵ab-cfe-sdfeww";
matchcollection m = regex.matches(str, @"[a-z]+");//小写字母为a-z 大小写混合为a-za-z
返回结果为b/f/e
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