Perfect Mike but I have tried to enter some duplicated values and it choses the first one:
Sheet1
<table style="font-family: Calibri,Arial; font-size: 11pt; background-color: rgb(255, 255, 255); padding-left: 2pt; padding-right: 2pt;" border="1" cellpadding="0" cellspacing="0"> <colgroup><col style="font-weight: bold; width: 30px;"><col style="width: 141px;"><col style="width: 61px;"><col style="width: 141px;"><col style="width: 64px;"><col style="width: 64px;"></colgroup><tbody><tr style="background-color: rgb(202, 202, 202); text-align: center; font-weight: bold; font-size: 8pt;"><td> </td><td>A</td><td>B</td><td>C</td><td>D</td><td>E</td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">1</td><td style="background-color: rgb(255, 204, 0);">Details</td><td style="background-color: rgb(255, 204, 0);">Count</td><td style="background-color: rgb(255, 204, 0);">Invoice 1</td><td style="background-color: rgb(255, 204, 0);">Invoice 2</td><td style="background-color: rgb(255, 204, 0);">Invoice 3</td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">2</td><td>531351 861351 516835</td><td style="text-align: right;">3</td><td>Inv50551</td><td>Inv50552</td><td>Inv50553</td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">3</td><td style="text-align: right;">143445254</td><td style="text-align: right;">1</td><td>Inv50554</td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">4</td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">5</td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">6</td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">7</td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">8</td><td>Reference</td><td>Invoice</td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">9</td><td style="text-align: left;">531351</td><td>Inv50551</td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">10</td><td style="text-align: left;">861351</td><td>Inv50552</td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">11</td><td style="text-align: left;">516835</td><td>Inv50553</td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">12</td><td style="text-align: left;">14344</td><td>Inv50554</td><td> </td><td> </td><td> </td></tr><tr style="height: 18px;"><td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">13</td><td style="text-align: left;">143445254</td><td>Inv50556</td><td> </td><td> </td><td> </td></tr></tbody></table>
<table style="font-family: Arial; font-size: 10pt; border-style: groove; border-color: rgb(0, 255, 0); background-color: rgb(255, 252, 249); color: rgb(0, 0, 0);"><tbody><tr><td>
Spreadsheet Formulas</td></tr><tr><td><table style="font-family: Arial; font-size: 9pt;" border="1" cellpadding="2" cellspacing="0"><tbody><tr style="background-color: rgb(202, 202, 202); font-size: 10pt;"><td>Cell</td><td>Formula</td></tr><tr><td>B2</td><td>=IF(LEN
(A2),LEN
(TRIM(A2))-LEN
(SUBSTITUTE(TRIM(A2)," ",""))+1,0)</td></tr><tr><td>C2</td><td>{=IF(COLUMNS
($C2:C2)>$B2,"",INDEX
($B$9:$B$13,SMALL(IF(ISNUMBER(SEARCH($A$9:$A$13,$A2)),ROW($A$9:$A$13)-ROW($A$9)+1),COLUMNS($C2:C2))))}</td></tr><tr><td>D2</td><td>{=IF(COLUMNS
($C2:D2)>$B2,"",INDEX
($B$9:$B$13,SMALL(IF(ISNUMBER(SEARCH($A$9:$A$13,$A2)),ROW($A$9:$A$13)-ROW($A$9)+1),COLUMNS($C2:D2))))}</td></tr><tr><td>E2</td><td>{=IF(COLUMNS
($C2:E2)>$B2,"",INDEX
($B$9:$B$13,SMALL(IF(ISNUMBER(SEARCH($A$9:$A$13,$A2)),ROW($A$9:$A$13)-ROW($A$9)+1),COLUMNS($C2:E2))))}</td></tr><tr><td>B3</td><td>=IF(LEN
(A3),LEN
(TRIM(A3))-LEN
(SUBSTITUTE(TRIM(A3)," ",""))+1,0)</td></tr><tr><td>C3</td><td>{=IF(COLUMNS
($C3:C3)>$B3,"",INDEX
($B$9:$B$13,SMALL(IF(ISNUMBER(SEARCH($A$9:$A$13,$A3)),ROW($A$9:$A$13)-ROW($A$9)+1),COLUMNS($C3:C3))))}</td></tr><tr><td>D3</td><td>{=IF(COLUMNS
($C3:D3)>$B3,"",INDEX
($B$9:$B$13,SMALL(IF(ISNUMBER(SEARCH($A$9:$A$13,$A3)),ROW($A$9:$A$13)-ROW($A$9)+1),COLUMNS($C3:D3))))}</td></tr><tr><td>E3</td><td>{=IF(COLUMNS
($C3:E3)>$B3,"",INDEX
($B$9:$B$13,SMALL(IF(ISNUMBER(SEARCH($A$9:$A$13,$A3)),ROW($A$9:$A$13)-ROW($A$9)+1),COLUMNS($C3:E3))))}</td></tr></tbody></table></td></tr><tr><td>
Formula Array:
Produce enclosing { } by entering
formula with CTRL+SHIFT+ENTER!</td></tr></tbody></table>