[英]Getting results from a regular expressions in c#
I have a regular expression which pulls name value pairs 我有一个正则表达式可以提取名称值对
([^=;]*)=([^;]*)
"Data Source=server;Initial Database=myDB;foo=bar;"
That works fine and I can get to the first result using 效果很好,我可以使用获得第一个结果
m.Groups[0] // "Data Source=server"
m.Groups[1] // "Data Source"
m.Groups[2] // "Server"
How do I get to the second and third set of matches? 我如何进入第二和第三组比赛? My terminology is probably wrong, I would appreciate help with that as well. 我的术语可能是错误的,我也希望能对此有所帮助。
Thanks! 谢谢!
Regex r = new Regex("([^=;]*)=([^;]*)");
MatchCollection mc = r.Matches("Data Source=server;Initial Database=myDB;foo=bar;");
foreach (Match m in mc)
{
Console.WriteLine(m.Groups[0]);
Console.WriteLine(m.Groups[1]);
Console.WriteLine(m.Groups[2]);
}
As eschneider pointed out, a regular expression in this case is a bit of overkill. 正如eschneider所指出的那样,这种情况下的正则表达式有点过大。 TIMTOWTDI TIMTOWTDI
string thestring ="Data Source=server;Initial Database=myDB;foo=bar;";
var keyVals = from kv in thestring.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries)
select new KeyValuePair<string,string>(kv.Split('=')[0],kv.Split('=')[1]);
foreach (var keyVal in keyVals) {
Console.WriteLine(keyVal.Key);
Console.WriteLine(keyVal.Value);
}
Match.NextMatch() method might be what you're looking for: Match.NextMatch()方法可能是您要寻找的内容:
string text = "Data Source=server;Initial Database=myDB;foo=bar;";
Regex re = new Regex("([^=;]*)=([^;]*)");
var m = re.Match(text);
while (m.Success)
{
Console.Out.WriteLine("variable: {0} equals {1}", m.Groups[1], m.Groups[2]);
m = m.NextMatch();
}
See this MSDN page for a more complete code sample 请参阅此MSDN页面以获取更完整的代码示例
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