RightSeparator ( text ; separator ; occurrence ; direction )

Returns the characters in text counting from the right to the specified occurrence of the separator.

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Kurt Otto - Show more from this author
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Sample input:

RightSeparator ( "aaa:bbb:ccc" ; ":" ; 1 ; 0 )

Sample output:

ccc

Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Case (
// Error checking
occurrence < 1 ; "" ;                                                 // Must supply 1 or more occurrences
direction < 0 ; "" ;                                                   // Must supply 0 or greater to direction
PatternCount ( text ; separator ) < occurrence ; "" ;  // Not enough occurrences of separator in text

// Count occurrence from right
direction = 0 ; Right ( text ; Length ( text ) - Position ( text ; separator ; Position ( text ; separator ; 1 ; PatternCount ( text ; separator ) - occurrence ) + 1 ; 1 ) ) ; 

// Count occurrence from left
Right ( text ; Length ( text ) - Position ( text ; separator ; 1 ; occurrence ) )
)

Format
------
RightSeparator ( text ; separator ; occurrence ; direction )

Parameters
----------
text - any text expression or text field.
separator - any text expression or text field representing the set of characters you want to find.
occurrence - any numeric expression or field containing a number, representing which instance of the text string you want to find.
direction - 0 to count from right, 1 or greater to count from left.

Data type returned
----------------
text

Description
----------
Returns the characters in text counting from the right to the specified occurrence of the separator. The direction parameter determines
if the specified occurrence is counted from the left or the right of text.

Examples
--------
RightSeparator ( "aaa:bbb:ccc" ; ":" ; 1 ; 0 ) returns ccc
RightSeparator ( "aaa:bbb:ccc" ; ":" ; 2 ; 0 ) returns bbb:ccc
RightSeparator ( "aaa:bbb:ccc" ; ":" ; 3 ; 0 ) returns ""
RightSeparator ( "aaa:bbb:ccc" ; ":" ; 1 ; 1 ) returns bbb:ccc
RightSeparator ( "aaa:bbb:ccc" ; ":" ; 2 ; 1 ) returns ccc
RightSeparator ( "aaa:bbb:ccc" ; ":" ; 3 ; 1 ) returns ""

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

RightSeparator ( text ; separator ; occurrence ; direction )

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