java正则表达式C#
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2022-04-02 16:35:26
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#CFE8CC
207 232 204
//Java版本 //替换字符串s中的所有字母(这里替换为“”) public static String getNumberInfo(StringBuffer s) { String ptn = "[a-zA-Z]+"; Pattern p = Pattern.compile(ptn, Pattern.DOTALL); Matcher m = p.matcher(s); while (m.find()) { s = s.replace(m.start(0), m.end(0), ""); m = p.matcher(s); } return s; } //C# 版本 public Form1() { InitializeComponent(); StringBuilder s = new StringBuilder(@"haohao,9.36,ssf ,123, good ,421f,ffd,fz,5.26,,,asfggds,13123"); Test2(s); } private void Test2(StringBuilder s) { String ptn = "[a-zA-Z]+"; MatchCollection matchCol = Regex.Matches(s.ToString(), ptn, RegexOptions.Multiline); for (int i = matchCol.Count - 1; i >= 0; i--) { Match item = matchCol[i]; s.Remove(item.Index, item.Length); } txtScan.AppendText(string.Format("结果:{0}\r\n", s.ToString())); }
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