string parsing

Question

how do i extract integer values in an int array from this string 1840 1841

Kirtan Patel · Answer

using System.Text.RegularExpressions; string Data = " 1840 1841 " ; //Get All Integer In Array Regex rex = new Regex ( "[0-9]+" ); int [] Array = new int [rex.Matches(Data).Count]; int i=0; foreach ( Match m in rex.Matches(Data)) { Array[i++] = int .Parse(m.Value.ToString()); }

Sam Hobbs · Answer

I won't post my actual opinion of using regular expressions to parse XML, but it is the type of thing that will likely increase in complexity much faster than tools designed for the purpose such as XmlSerializer. I am not sure what happened to the attachment to my previous post, but I tried a few times to upload it again. I will try again to upload it.

Desi Gal · Answer

Thanks for all your answers Kirtan Patel's answer works like a charm. @theLizard:your answer separates out individual digit in an array,thanks though. @Sam:thanks ,I will try out ur solution

Sam Hobbs · Answer

For more complex data, you will need something capable of more complexity. The attached sample shows use of XmlSerializer, which can be used for more complex data too. The following is most of the code; the only important part missing from below is the Provider and ProvidersList classes. ProvidersList pl; XmlSerializer Serializer; Serializer = new XmlSerializer(typeof(ProvidersList)); FileInfo fi = new FileInfo(FileAt); if (!fi.Exists) { Console.WriteLine("File not found"); return; } FileStream fs = new FileStream(FileAt, FileMode.Open); try { pl = (ProvidersList)Serializer.Deserialize(fs); } catch (Exception ex) { Console.WriteLine("Deserialize exception: {0}
Inner exception: {1}", ex.Message, ex.InnerException.Message); return; } foreach (Provider p in pl) Console.WriteLine(p.ProviderId); Note that XmlSerializer can read from a StringReader stream instead of a file stream if you need to read from memory instead of storage.

theLizard · Answer

string test = " 1840 1841 "; private void doTest() { int[] iArr = new int[0]; for(int i=0; i { if( Char.IsDigit(test, i) ) { Array.Resize(ref iArr, iArr.Length+1); iArr[iArr.Length-1] = int.Parse(test[i].ToString()); } } } string manipulation is a very important quality.

string parsing

Answers (5)