<cfset urltext = "http://somesite.com/dir/file.cfm?var=value"; />
<cfset info1 = listrest(listrest(urltext, "//"), "/") />
<cfset info2 = listfirst(listrest(listrest(urltext, "//"), "/"), "?") />
<cfset info3 = listlast(listrest(urltext, "//"), "/") />
<cfset info4 = listfirst(listlast(listrest(urltext, "//"), "/"), "?") />
<cfoutput>
#urltext#<br />
<br />
INFO1: #info1#<br />
INFO2: #info2#<br />
INFO3: #info3#<br />
INFO4: #info4#<br />
</cfoutput>
<!--- THE OUTPUT --->
http://somesite.com/dir/file.cfm?var=value
INFO1: dir/file.cfm?var=value
INFO2: dir/file.cfm
INFO3: file.cfm?var=value
INFO4: file.cfm
<!--- END OUTPUT --->
-----Original Message-----
From: Jim McAtee [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 12, 2005 9:01 PM
To: CF-Talk
Subject: Regex help
(CF5 on IIS, Win2k Server)
I have a CF template set up as the IIS 404 error handler on a web site.
When IIS detects a 404 error it calls the CF page and passes the original
request within the CGI variable cgi.query_string in the following form:
404;http://www.mydomain.com/missingpage.htm
or if the request was for a directory it might look like:
404;http://www.mydomain.com/missingdirectory/
In my template I need to extract what would have been the original
cgi.path_info:
/missingpage.htm
or
/missingdirectory/
What might a CF function look like using regexes to extract the trailing
part of the URL? There will be many different host (domain) names pointed
at the site, so I can't match the domain name. The function would be
called by passing cgi.query_string:
<cfset path_info = getPathInfo(cgi.query_string)>
The function below is start, but it matches the entire string rather than
"extracting" just the end part.
function getPathInfo(qs) {
var re = '404;http://[^/]+/*';
var stuff = REFindNoCase(re, qs, 1, 'yes');
if (stuff.pos[1]) {
return Mid(qs, stuff.pos[1], stuff.len[1]);
} else {
return '';
}
}
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