<cfset variables.regex = '[A-Za-z]+'>

<cfset URL.view = "displayNewsletterPopup">
<cfset ok = reFind(variables.regex, URL.view, 1,true)>
<cfdump var="#ok#" label="good">

<cfset URL.view = "displayNewsletterPopup../../../../../../../../../../tmp/writetest35985909.txt">
<cfset ok = reFind(variables.regex,URL.view,1,true)>
<cfdump var="#ok#" label="bad">