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<?php $strs= ["discount of €50,20 on these items","This item on sale now for €30,20"]; foreach ($strs as $s){ if (preg_match('~(?<!\bfor\s)€(\d+(?:,\d+)?)~', $s, $m)) { echo $m[1].PHP_EOL; } else { echo "No match!"; } }
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
50,20 No match!
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219.05 ms | 407 KiB | 5 Q