微博内容长度计算函数(C#)

微博内容长度的计算方法（不一定完全无误，仅提供一个思路):

public static int GetWeiboContentLength(string weiboContent) { var max = 140; var surl = 11; var urlCount = 0; RegexOptions ops = RegexOptions.Compiled; Regex regex = new Regex(@"http://[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)+([-A-Z0-9a-z_\$\.\+\!\*\(\)\/,:;@&=\?\~\#\%]*)", ops); var content = weiboContent; if (regex.IsMatch(weiboContent)) { var matchs = regex.Matches(weiboContent); for (int i = 0; i < matchs.Count; i++) { var count = matchs[i].Groups[0].Length; urlCount += count <= max ? surl : (count - max + surl); content = content.Replace(matchs[i].Value, ""); } } var result = urlCount + content.Length; return result; }

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