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Categories / C# Tutorial / Regular Expression
 

Name a Regex group

using System; using System.Text.RegularExpressions; class MainClass {   public static void Main()   {     string text = "(800) 888-1211\n" +       "(212) 555-1212\n" +       "(506) 777-1213\n" +       "(650) 222-1214\n" +       "(888) 111-1215\n";     string areaCodeRegExp = @"(?<areaCodeGroup>\(\d\d\d\))";     string phoneRegExp = @"(?<phoneGroup>\d\d\d\-\d\d\d\d)";     MatchCollection myMatchCollection = Regex.Matches(text, areaCodeRegExp + " " + phoneRegExp);     foreach (Match myMatch in myMatchCollection)     {       Console.WriteLine("Area code = " + myMatch.Groups["areaCodeGroup"]);       Console.WriteLine("Phone = " + myMatch.Groups["phoneGroup"]);       foreach (Group myGroup in myMatch.Groups)         foreach (Capture myCapture in myGroup.Captures)           Console.WriteLine("myCapture.Value = " + myCapture.Value);     }   } } Area code = (800) Phone = 888-1211 myCapture.Value = (800) 888-1211 myCapture.Value = (800) myCapture.Value = 888-1211 Area code = (212) Phone = 555-1212 myCapture.Value = (212) 555-1212 myCapture.Value = (212) myCapture.Value = 555-1212 Area code = (506) Phone = 777-1213 myCapture.Value = (506) 777-1213 myCapture.Value = (506) myCapture.Value = 777-1213 Area code = (650) Phone = 222-1214 myCapture.Value = (650) 222-1214 myCapture.Value = (650) myCapture.Value = 222-1214 Area code = (888) Phone = 111-1215 myCapture.Value = (888) 111-1215 myCapture.Value = (888) myCapture.Value = 111-1215