I'll throw my .02 cents into the ring and say first that you can leave the list
alone and keep the tabs as the delimiter. A character is a character and you
can use a tab just as you can use a comma. Chr(9) is a tab in CF.
All you really have to do is loop over the whole collection of information
using a chr(13)chr(10) as the delimiter for each line and a sub loop using a
chr(9) for each item within the list. Then use one of the standard email
checker UDFs to see if the item data is an email or not.
<cfset end=chr(13)&chr(10)>
<cfset tab=chr(9)>
<cfloop index="line" list="#list#" delimiters="#end#">
<cfloop index="item" list="#line#" delimiters="#tab#">
check for email here
</cfloop>
</cfloop>
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