How to do I make variables in filemaker using strings in feild

Question

I have a field where the user can input text and I want them to be able to insert tags like

 <impact> 

or

 <signature>

as representation of where I would like to insert an html img. . So if I can somehow extract that tag from the text field into a variable that I can use for the substitution. If I were to write out the processes it would be like this.

get a list of every tag in the specified field loop through the list keeping track of where it is in the text set the tag to a var $tag = tagfound substitute the tag

  Substitute (  texfield;  "<$tag>"; '<img src=\"cid:$tag\'>" ;

and at this point I would also do other things with the $tag before i went on to the next itteration

anyone know if this is possible /how to make this happen?

Answer 1

Take 2 (thanks for the clarification):

Since you need to loop, you need either a script or a custom function. I'll show you with a script since everyone has scriptmaker (whereas you need FMPA to get access to custom functions).

The result will be in a variable called $tag_list which you can do what you want with afterwards.