/// <summary>
/// 提取字符串中的数字
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string getNumber(string str)
{
return System.Text.RegularExpressions.Regex.Replace(str, @"[^\d{2}-]*", "");
}
截取字符串:原字符:{Width=300, Height=200}
size = size.Replace("{Width=", "");//替换
size = size.Replace(" Height=", "");
size = size.Substring(0, size.Length - 1);//去掉最后一个
截取之后:300,200