VB:Regular Expression

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A regular expression is a pattern which may match a string.

In this example the pattern (land|stan) matches land or stan. So Afghanistan and Finland match but Albania does not match.

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Imports System.Text.RegularExpressions Module Demo Sub Main() Dim acc As Integer = 0 Dim places() As String = _ {"Afghanistan","Albania","Finland" } Dim p As String Dim re As RegEx= new RegEx("stan|land") For Each p In places If re.IsMatch(p) Then Console.WriteLine(p) End If Next End Sub End Module

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test text