Extract alphanumeric sequences from a string
by Gabriel on 05/10/08 at 6:42 am
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This short snippet is useful if you need to extract alphanumeric sequences (characters) from a string:
function extract_alphanumeric_sequences($string)
{
preg_match_all('/([a-zA-Z0-9]+)/', $string, $match);
return $match[0];
}
$string = 'Suspendisse 354 65pretium eros ut 43564 mauris. Integer in lacus quis est dignissim posuere. Aenean dui. &$#^@ %$ 94375 Mauris non turpis sit amet nunc imperdiet varius.';
$alpha_array = extract_alphanumeric_sequences($string);
echo '<pre>'; print_r($alpha_array); echo "</pre>";
Output:
Array
(
[0] => Suspendisse
[1] => 354
[2] => 65pretium
[3] => eros
[4] => ut
[5] => 43564
[6] => mauris
[7] => Integer
[8] => in
[9] => lacus
[10] => quis
[11] => est
[12] => dignissim
[13] => posuere
[14] => Aenean
[15] => dui
[16] => 94375
[17] => Mauris
[18] => non
[19] => turpis
[20] => sit
[21] => amet
[22] => nunc
[23] => imperdiet
[24] => varius
)
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