Question

我正在逐行解析文本文件，如何创建多个匹配集合并在处理的每一行上尝试多个匹配？

目前我正在尝试这个：

while ((line = reader.ReadLine()) != null) {

string match1 = @"\s+([^)]*):entry:\s+cust\(([^)]*)\)\s+custno\(([^)]*)\)\s+id\(([^)]*)\)\s+name\(([^)]*)\)";
string match2 = @"group\(([^)]*)\)\s+spec\(([^)]*)\)\s+goodtill([^)]*)$";
string match3 = @"returns\(([^)]*)\)";

MatchCollection matches = Regex.Matches(line, match1);
MatchCollection matches2 = Regex.Matches(line, match2);
MatchCollection matches3 = Regex.Matches(line, match3);




foreach (Match matchr1 in matches)
{

    line1.Add("Date:" + matchr1.Groups[1].Value + ", Customer:"
                    + matchr1.Groups[2].Value + ", CustID:" + matchr1.Groups[3].Value +
                    ", ID:" + matchr1.Groups[4].Value + ", Name:" + matchr1.Groups[5].Value);
}

foreach (Match matchr2 in matches2)
{

    line2.Add("Group:" + matchr2.Groups[1].Value + ", Spec:" + matchr2.Groups[2].Value + ", Good Till:" + matchr2.Groups[3].Value);
}

foreach (Match matchr3 in matches3)
{

    line3.Add("Returns: " + matchr3.Groups[1].Value);
}

}

处理完文件并尝试计算arraylist大小后：

MessageBox.Show(line1.Count + " " + line2.Count + " " + line3.Count);

我收到5000 0 0.为什么我的最后2名arraylists为空？应该有很多匹配，正则表达式确认正确。

示例数据：

LUCIE:496 27AUG120755:entry: cust(GUIR) custno(j010705) id(293746) name(mike)
LUCIE:496 27AUG120755:       group(0000) spec(03) stripdn(N) pre228(N)       goodtill 01/MAR/08
LUCIE:496 27AUG120755:getprotcode given (m000029374603MAR08), returns (TUUjFDEO)

Answer 1

如果您要对数据进行文字处理，则必须在第2和第3个正则表达式中要求缺少组件。或者，如果是变量，只需添加一些填充.*?

 group
 \(
   ( [^)]* )
 \)
 \s+ spec
 \(
   ( [^)]* )
 \)
  # missing :
  #      \s+ stripdn
  #      \(
  #        ( [^)]* )
  #      \)
  #      \s+ pre228
  #      \(
  #        ( [^)]* )
  #      \)

 \s+ goodtill
 ( [^)]* )
 $


 returns
  # missing a \s* here
 \(
     ( [^)]* )
 \)


LUCIE:496 27AUG120755:entry: cust(GUIR) custno(j010705) id(293746) name(mike)
LUCIE:496 27AUG120755:       group(0000) spec(03) stripdn(N) pre228(N)       goodtill 01/MAR/08
LUCIE:496 27AUG120755:getprotcode given (m000029374603MAR08), returns (TUUjFDEO)

每行多个matchcollections

1 个答案: