$re = '/RC[0-9]{6}.[0-9]{4}.[A-Za-z]{1}[0-9]{5}|MP[0-9]{6}.[0-9]{4}.[A-Za-z]{1}[0-9]{5}|CO[0-9]{6}.[0-9]{4}.[A-Za-z]{1}[0-9]{5}/m';
$str = 'Rechargement reussi. Montant de la transaction : 80 FCFA, ID transaction : RC220514.2328.A31840, Frais : 0 FCFA, Commission : 0 FCFA, Nouveau Solde : 0.28FCFA Other msisdn 658747305.
Paiement de FORFAIT INTERNET en succes par 658747305.
ID transaction: MP220512.2119.C83780, Montant: 250 FCFA.
Nouveau solde: 80.28 FCFA.
Retrait d\'argent reussi par le 693734202 avec le Code : 226752. Informations detaillees : Montant: 2000 FCFA, Frais: 50 FCFA, No de transaction CO220428.2045.B63327, montant net debite 2050 FCFA, Nouveau solde: 387.1 FCFA.
CashOut success by 698039077 with the Code : 375533. Detailed information : Amount: 1500 FCFA, Fees: 45 FCFA, Transaction ID: CO211211.1932.C52092, Net amount debited 1545FCFA, New balance: 315.1 FCFA.';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php