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FileMaker Pro Custom Functions

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PositionValues( text; searchValue; occurrence )

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Average rating: 3.0 (11 votes)
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Bruce Robertson, Concise Design
http://concise-design.com

Return value position (line number) in list of all occurrences of searchValue

Sample Input:

positionValues( "A¶B¶A¶C¶D"; "A¶D"; 1)

Sample Output:

1
3
5

/* PositionValues( text; searchValue; occurrence) Returns value position in text of all occurrences of searchvalue Search value can be a list of values positionValues( "A¶B¶A¶C¶D"; "A¶D"; 1) => 1 3 5 Bruce Robertson, Concise Design v 1.0 5/25/2010 */ Let ([ adjustedText = "¶" & Substitute( text; "¶"; "¶¶" ) & "¶" ; thisValue = GetValue( searchValue; 1) ; target = "¶" & thisValue & "¶" ; P1 = Position ( adjustedText ; target ; 1 ; occurrence ); P2 = Position ( adjustedText ; target ; 1 ; occurrence +1 ); SVCount = ValueCount( searchValue); chunk = Middle ( adjustedtext ; 2; P1 + Length ( thisValue ) ) ; result = Case( P1 ; ValueCount ( Substitute( chunk; "¶¶"; "¶" ))) ]; List( Result ; Case( P2 ; PositionValues( text; thisvalue; occurrence+1)); Case( SVCount>1 ; PositionValues( text; MiddleValues( searchValue; 2; ValueCount( searchValue)); 1)) ) )
Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

Multi-value version of the positionValue function. Return the line number of all items in a list where the item = searchValue. Usually you will want to enter 1 for occurrence to find all values. If you enter a number other than one, and your searchValue is in the form of a list, the offset will only be honored for the first item in the list.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

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