$re = '/\b(?:S|PD|CH|ML|MD|VA|BVI|DB|KD|KE|PW|COL|AD|MET|VP|SI|VR|GAO|LK|RP|PAD|WAN|PWD|PMP|PBR|VN|PPC|NK|K|AH|I|JP|JU|UDZ|CHM|DDN|LN|CL|CLH|DKM|GK|WD|ED|DDK|DLN|DRN|DFD|GZB|DVV|GUR|GGN|ND|HHN|HAS|HYD|HKP|BWF|BBW|BKM|BSN|BL|BIN|ST|KN).*?\d+\b/';
$str = 'pt paid rs-8488/- remaining amt
Credit Card Sales
ML 2926 VARSHA LAKHANI (AG)
IMRAN KHAN-PW-4798
Deepali Mishra Ah-5564 Tst
MANJU S-11226 T
SNEHA S-16191
SUMIT SETHI AH-5747 AG
SUJATA VORA AH-5361 AG
Deepali Mishra Ah-5564 Tst';
preg_match_all($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