TryCF Gist

trycf-gist.cfm

<!--- JS with comment --->
<cfsavecontent variable="variables.jsWithCommment">
    <script type="text/javascript">
    // comment
    var a=1; // another comment
    /* try{if (...)}; */
    var b=2;
    </script>
    src="//domain.com"
</cfsavecontent>

<!--- JS with comment --->
<b>JS with comment:</b><br>
<cfdump var="#variables.jsWithCommment#"><br><br>

<!--- Replace with first capture for each branch --->
<cfset variables.regex = '(?:("\/\/[^"]*?")|\/\*.*?\*\/|\/\/.*?\n)'>
<cfset variables.jsWithoutComment = reReplace(variables.jsWithCommment, variables.regex, "\1", "ALL")>

<!--- JS without comment --->
<b>JS without comment(s):</b><br>
<cfdump var="#variables.jsWithoutComment#">