<?php
$contents = <<<DATA
Lorem ipsum dolor sit amet aaaaa@xxx.com, consectetur adipiscing bbbbb@xxx.com elit, sed do eiusmod tempor incididunt ut
labore et dolore magna aliqua cccc@xxx.com.
Ut enim ad minim veniam ddd@xxx.com, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea jjjj@xxx.com commodo
consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint
occaecat cupidatat non proident@xxx.com, sunt in culpa qui officia deserunt mollit anim@xxx.com id est laborum.
DATA;
$pattern = "/\S+@xxx\.com\b/m";
if(preg_match_all($pattern, $contents, $matches)){
echo "Found matches:\n";
echo implode("\n", $matches[0]);
}
else{
echo "No matches found";
}
Found matches:
aaaaa@xxx.com
bbbbb@xxx.com
cccc@xxx.com
ddd@xxx.com
jjjj@xxx.com
proident@xxx.com
anim@xxx.com
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Found matches:
aaaaa@xxx.com
bbbbb@xxx.com
cccc@xxx.com
ddd@xxx.com
jjjj@xxx.com
proident@xxx.com
anim@xxx.com