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getbetween ( text, starttext, stoptext,occurrence )

gets the text between two search values

  Average rating: 4.2 (33 votes) Log in to vote

Bailey Kessing - Show more from this author NCI-Frederick http://kessing.com

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

//getbetween(text, starttext, stoptext, occurrence) v3 Let ( [ textsize = Length(text); startpos = Position ( text ; starttext ; 1 ; occurrence ); stopoccurrence = If(startpos>0; 1; occurrence); start = If (startpos>0; startpos + Length(starttext); 1 ); stoppos = Position ( text ; stoptext ; start ; stopoccurrence ); stoplength = If ( stoppos > 0; (stoppos-start); textsize) ] ; Middle ( text ; start; stoplength ) ) Click to copy

This functions allows you to get any text in a field between two search text strings.
Updated 11/12/201 to fix somebugs.
Updated 6/1/2006 to add the ability to get the "stoptext" after the occurence of the "starttext". Before if the stoptext exist both before and after the starttext it would return nothing. Updated 8/2/2006 to add ability to leave off teh start and/or stop position and defaults to the first char and last char.

 

Comments

		Bill Doerrfeld, Seattle Oct 16, 2009
Doesn't work.

		John Davis, Houston Jul 2, 2015
Appears this generally doesn't suffer from the "duplicate sequential values" bug that a lot of these list functions have, however this CF does fail at times. Given this text: "Alpha|Charlie|Charlie|Charlie|Charlie's Angles|Mother|Echo" and using the starttext and stoptext as both "|" ...finding occurrences 1 - 5 return the correct results, but requesting occurrence 6 returns "Echo", when it should return null, and requesting occurrence 7 returns the entire original string! GetTextBetween ( text ; from ; to ; occurrence ) http://www.briandunning.com/cf/584 is the best CF like this that doesn't fail.

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