Web Development

Function RegExpTest(patrn, strng)
  Dim regEx, Match, Matches      ' Create variable.
  Set regEx = New RegExp         ' Create a regular expression.
  regEx.Pattern = patrn         ' Set pattern.
  regEx.IgnoreCase = True         ' Set case insensitivity.
  regEx.Global = True         ' Set global applicability.
  Set Matches = regEx.Execute(strng)   ' Execute search.
  For Each Match in Matches      ' Iterate Matches collection.
    RetStr = RetStr & "Match found at position "
    RetStr = RetStr & Match.FirstIndex & ". Match Value is '"
    RetStr = RetStr & Match.Value & "'." & vbCRLF
  Next
  RegExpTest = RetStr
End Function
MsgBox(RegExpTest("is.", "IS1 is2 IS3 is4"))