CFLib.org – Common Function Library Project

Description:
Extracts all links from a given string and puts them into a list.

Return Values:
Returns a list.

Example:

<cfhttp url="http://www.yahoo.com">

<cfset links = hrefsToList(cfhttp.filecontent)>
<cfoutput>#links#</cfoutput>

Parameters:

Full UDF Source:

/**
 * Extracts all links from a given string and puts them into a list.
 * 
 * @param inputString      String to parse. (Required)
 * @param delimiter      Delimiter for returned list. Defaults to a comma. (Optional)
 * @return Returns a list. 
 * @author Marcus Raphelt (cfml@raphelt.de) 
 * @version 1, February 22, 2006 
 */
function hrefsToList(inputString) {
    var pos=1;
    var tmp=0;
    var linklist = "";
    var delimiter = ",";
    var endpos = "";
    
    if(arrayLen(arguments) gte 2) delimiter = arguments[2];
        
    while(1) {
        tmp = reFindNoCase("<a[^>]*>[^>]*</a>", inputString, pos);
        if(tmp) {
            pos = tmp;
            endpos = findNoCase("</a>", inputString, pos)+4;
            linkList = listAppend(linkList, mid(inputString, pos, endpos-pos), delimiter);
            pos = endpos;
        }
        else break;
    }

    return linkList;
}