sanitizeEmailList.cfm

<cffunction name="sanitizeEmailList" access="public" returnType="String" output="false">
    <cfargument name="emailList" type="String" required="true" />
    <cfset var local = {} />
    <cfset local.email = '' />
    <cfset local.RegEx = "[a-z0-9!##$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!##$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?"/>
    <cfloop list="#arguments.emailList#" index="local.i">
        <cfset local.address = ReMatch(local.RegEx,local.i)/>
        <cfif ArrayLen(local.address)>
            <cfset local.email = ListAppend(local.email,local.address[1]) />
        </cfif>
    </cfloop>
    <cfreturn local.email />
</cffunction>