<?php
$text = " поле1 - значение
поле2: значение
поле3: значение
поле4: значение
поле2: значение";
if (preg_match('/поле2:\K.*?(?=поле3:)/su', $text, $match)) {
echo $match[0];
}
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
значение