It may not be possible to do this in a single pass, without knowing what else is in the document, so I would suggest a sequential search e.g. as below. This should search the common story ranges in a document, but if not the coding gets more complicated to cover the less common ones, to which end I would suggest
Document Batch Processes,
See also
Replace using wildcards
Code:
Option Explicit
Sub Macro1()
Dim vFindText As Variant
Dim i As Long
Dim oStory As Range
vFindText = Array("25.222", "25.2666", "25.223")
For Each oStory In ActiveDocument.StoryRanges
For i = 0 To UBound(vFindText)
With oStory.Find
.ClearFormatting
.Replacement.ClearFormatting
.MatchWildcards = True
Do While .Execute(findText:=vFindText(i))
oStory.HighlightColorIndex = wdTurquoise
oStory.Collapse 0
Loop
End With
Next i
If oStory.StoryType <> wdMainTextStory Then
While Not (oStory.NextStoryRange Is Nothing)
Set oStory = oStory.NextStoryRange
For i = 0 To UBound(vFindText)
With oStory.Find
.ClearFormatting
.Replacement.ClearFormatting
.MatchWildcards = True
Do While .Execute(findText:=vFindText(i))
oStory.HighlightColorIndex = wdTurquoise
oStory.Collapse 0
Loop
End With
Next i
Wend
End If
Next oStory
lbl_Exit:
Set oStory = Nothing
Exit Sub
End Sub