CFLib.org – Common Function Library Project

Description:
Returns the page anchor for the supplied URL. If no anchor is found, then returns an empty string. Works with the http protocol where page anchors follow the "filename#anchor" syntax.

Return Values:
Returns a string.

Example:

<cfoutput>
#GetAnchorFromURL("http://somehost.com/dir1/dir2/filename.htm##anchor")#<br>
#GetAnchorFromURL("filename.htm##anchor")#<br>
#GetAnchorFromURL("filename.htm##")#<br>
#GetAnchorFromURL("filename.htm")#<br>
#GetAnchorFromURL("../filename.htm##anchor")#<br>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Returns the page anchor from a specified URL.
 * 
 * @param this_url      URL to parse. 
 * @return Returns a string. 
 * @author Shawn Seley (shawnse@aol.com) 
 * @version 1, February 21, 2002 
 */
function GetAnchorFromURL(this_url) {
    var re_found_struct = "";
    
    this_url = trim(this_url);
    
    re_found_struct = REFind("##[^\?]*", this_url, 1, "True");
    
    if (re_found_struct.pos[1] GT 0) {
        return Mid(this_url, re_found_struct.pos[1]+1, re_found_struct.len[1]-1);
    } else return "";
}