VB.Net Tutorial/Regular Expressions/MatchCollection

Use MatchCollection

<source lang="vbnet">Imports System.Text.RegularExpressions Public Class Tester

   Public Shared Sub Main
       Dim source As String = "This 7. several 0.9 numbers"
       Dim parser As New Regex( _
          "[-+]?([0-9]*\.)?[0-9]+([eE][-+]?[0-9]+)?")
       Dim sourceMatches As MatchCollection = _
          parser.Matches(source)
       Dim result As Double = CDbl(sourceMatches(1).Value)
       Console.WriteLine(result.ToString())
   End Sub

End Class</source>

0.9