Brian Dunning's FileMaker Custom Functions

FirstMatchIndex ( values ; string )

Returns the index of the first value that contains the search string.

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Richard Dyce   Richard Dyce
Dyce & Sons LTD.
http://dyce.com

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  Sample input:
FirstMatchIndex ( "abc¶023¶abc¶def¶123¶def"; "12")

FirstMatchIndex ( "abc¶023¶abc¶def¶123¶def"; "XYZ")
  Sample output:
5

0

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

A quick function to return the index of the first value in 'values' that contains the search 'string'. If the string isn't found returns 0.

 

Comments

comment   comment, VR
Feb 26, 2016
FirstMatchIndex ( "Alfred¶Betty¶Fred¶George" ; "Fred" ) returns 1 instead of the expected 3. This is because you're not testing for the position of the string *as a value*.

Try instead:

ValueCount ( Left ( values ; Position ( ¶ & values & ¶ ; ¶ & string & ¶ ; 1 ; 1 ) ) )

(from: http://www.briandunning.com/cf/908)
 

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