$sString = '1A2B3C'
$aDel = StringSplit($sString, '')
ConsoleWrite('before: "' & $sString & '"' & @LF)
For $i = 1 To $aDel[0]
$sString = StringReplace($sString, $aDel[$i], '')
ConsoleWrite($i & @TAB & 'Del: ' & $aDel[$i] & @TAB & 'Result: "' & $sString & '"' & @LF)
Next
ConsoleWrite('after: "' & $sString & '"' & @LF)