remove space and numeric caracter

remover espacios y letras  caracter no numericos
<?php
function onlyAlphanumericAndSpaces($text) {
  # allow only alphanumeric
  return ereg_replace("[^0-9 ]", "", $text );
}

$string=" E#D  re18 09 71 4 4389 ";
$string = str_replace(' ', '', $string);
$string = preg_replace('/\s+/', '', $string);
echo onlyAlphanumericAndSpaces($string);
}








?>



remover caracter no alfa numericos

function onlyAlphanumericAndSpaces($text) {
  # allow only alphanumeric
  return ereg_replace("[^A-Za-z0-9 ]", "", $text );
}