CFLib.org – Common Function Library Project

Description:
Converts text links into HTML links within a string. /!\ HTML links who already exists ARE'NT reconverted

Return Values:
Returns a string.

Example:

<cfoutput>
    <p>
        #activateLinks("my string with www.text-link.fr !")#
    </p>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Converts text links into HTML links within a string
 * 
 * @param string      Input string. (Required)
 * @return Returns a string. 
 * @author Robin Scherberich (scherberich.r@gmail.com) 
 * @version 1, February 22, 2011 
 */
function activateLinks( string )
{
    var stringLen = len( string );
    var currentPosition = 1;
    var urlArray = [];

    while( currentPosition < stringLen )
    {
        rezArray = REFindNoCase( "(?i)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'"".,<>?«»‘’]))", arguments.string, currentPosition, true );
        
        if( rezArray.len[1] != 0 ){
            arrayAppend( urlArray, mid( string, rezArray.pos[1]-2, rezArray.len[1]+2 ) );
            currentPosition = rezArray.pos[1] + rezArray.len[1];
        } else {
            currentPosition = stringLen;
        }
    }

    for( i = 1; i <= arrayLen( urlArray ); i++ )
    {
        if( left( urlArray[i], 2 ) != '="' )
        {
            link = right( urlArray[i], len( urlArray[i] )-2 );
            string = replace( string, link, '<a href="'& link &'">'& link &'</a>', "all" );
        } else {
            i++;
        }
    }

    return string;
}