- print_r: documentation ( source)
- preg_match_all: documentation ( source)
<?php
$text = ".........12129018 - ZQH X Bop. Hrtepou 50 flerpoUrroXn ........01983413 - 0E000PA E KapaoAn Anpn-rPou 21
EAArivtg .....................................................09007121 - MAPIA KapaoAri Arpn-rptou 21 Elanvolo .. 12135589 - MAPIA E ...............................#12....................... 2109643887 - MAPIA 0 loucrrivou 8 HX.toOrran ..............2109914534 AIPITAKHE APTEMIOE n Avrtnopou 22
Reptcrrept ....._.........._......._................6977440896 , -10AN.";
preg_match_all("/(?<!\d)\d{8}(?!\d)/", $text, $matches);
print_r($matches[0]);