CFLib.org – Common Function Library Project

Description:
Finds all occurrences of a substring in a string, from a specified start position. The search is case-sensitive. Returns an array of each starting position.

Return Values:
Returns an array.

Example:

<cfset mySTR = "123445566445566123445566123">
<cfset thisSTR = findAll("4455",mySTR)>
<cfdump var="#thisSTR#"/>

Parameters:

Full UDF Source:

/**
 * Finds all occurrences of a substring in a string.
 * Fix by RCamden to make start optional.
 * 
 * @param substring      String to search for. (Required)
 * @param string      String to parse. (Required)
 * @param start      Starting position. Defaults to 1. (Optional)
 * @return Returns an array. 
 * @author Jeremy Rottman (rottmanj@hsmove.com) 
 * @version 2, July 29, 2008 
 */
function findALL(substring,string) {
    var findArray = arrayNew(1);    
    var start = 1;    
    var posStart = "";
    var i = 1;
    var newPos = "";
    
    if(arrayLen(arguments) gte 3) start = arguments[3];

    posStart = find(substring,string,start);
    
    if(posStart GT 0){
        findArray[i] = posStart;
        while(posStart gt 0 ){
            posStart = posStart + 1;
            newPos = find(substring,string,posStart);
            if(newPos gt 0){
                i = i + 1;
                findArray[i] = newPos;
                posStart = newPos;
            }else{
                posStart = 0;
            }
        }
    }else{
        return 0;
    }
    return findArray;
}