Search for string in Excel column with many rows.

Posted on 2016-10-01
Last Modified: 2016-10-03
I have an Excel spreadsheet with over 23500+ rows that I would like to search column "B" for certain strings.

If one of the strings are found that I'm looking for,  then the word "present' would be put in the next column "C" in the same row.

These are the strings I need to look for.
They can either be lower or higher case letters:

Question by:Richard Kreidl
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LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41825096
I have listed the criteria on Sheet2 in the range A1:A10 then used the following Array Formula (which requires confirmation with Ctrl+Shift+Enter instead of Enter alone)

On Sheet1
In C1
=IF(SUM(COUNTIF(B1,"* "&Sheet2!$A$1:$A$10&" *")),"Present","")

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Confirm with Ctrl+Shift+Enter and then copy down.

For more details, refer to the attached.

Author Comment

by:Richard Kreidl
ID: 41825109
HI it looks like it worked but I added another row with the string "ICE" and it didn't find the string in that cell.

I'm attaching the Excel sheet you had sent back with the additional row.
LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41825193
I have tweaked the formula, please refer to the attached.
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Author Comment

by:Richard Kreidl
ID: 41825250
It seems now to insert present when there's no string present that are listed in sheet 2 tab.

I've added 5 rows where you'll see it hit on, but it shouldn't have.

This is with your new formula.

LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41825267
Please find the attached macro-enabled file in which I have placed a user defined function called IsStringFound which requires two argument, cell to match and criteria range to match.
In the column D, you will find the following function in D1 which is copied down.

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Author Comment

by:Richard Kreidl
ID: 41825270
Not sure I understand how this is all supposed to work. Am I supposed to use the earlier formula and the function in column D?

I just tried to use the new formula or function by itself and it didn't work.
LVL 31

Accepted Solution

Subodh Tiwari (Neeraj) earned 500 total points
ID: 41825273
No you can remove the previous formula from column C.
You will need to place the codes on VBA Module and then only this user defined function will work.
So if you are trying this formula in your original workbook, follow the following steps...

1) Open your workbook and press Alt+F11 to open VB Editor.
2) On VB Editor --> Insert --> Module --> And paste the code given below into the opened code window.
3) Close the VB Editor.
4) Save your file as Macro-Enabled Workbook and you are ready to use the function IsStringFound.

Function IsStringFound(RngToMatch As Range, Criteria As Range) As String
Dim x, str() As String
Dim i As Long, j As Long, cnt As Long
x = Criteria.Value
str() = Split(RngToMatch, " ")
For i = 0 To UBound(str)
   For j = 1 To UBound(x, 1)
      If str(i) <> "" And LCase(GetString(str(i))) = LCase(x(j, 1)) Then
         IsStringFound = "Present"
         Exit Function
      End If
   Next j
Next i
If cnt > 0 Then IsStringFound = "Present"
End Function

Function GetString(str As String) As String
Dim RE As Object, Matches As Object
Set RE = CreateObject("vbscript.regexp")
With RE
   .IgnoreCase = True
   .Pattern = "[A-Z]{1,}"
End With
Set Matches = RE.Execute(str)
If Matches.Count > 0 Then
   GetString = Matches(0)
End If
End Function

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Author Closing Comment

by:Richard Kreidl
ID: 41825316
LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41825444
You're welcome.
LVL 33

Expert Comment

by:Rob Henson
ID: 41826419
If you want to find those specific words, then it is worth adding a space before and after each word. Otherwise, it will find all words that contain the string eg looking for "force" will also find "forceful" and "enforce", "kill" will also find "skill" and "killing".

"Re-start" and "Restart" are probably surplus, you already have "start" which occurs in both.

Rob H

EDIT: Just spotted Neeraj made this point in your follow on question.

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