3v4l.org

run code in 500+ PHP versions simultaneously
<?php $strings[] = 'ABC$item_#1_Value$QWERT'; $strings[] = 'ABC $ITEM_#1_VALUE$ QWERT'; $strings[] = 'ABC $item_#1_Value$ QWERT'; foreach ($strings as $string) { $string = preg_replace('/\s*\$item_#1_Value\$\s*/i', "1234", $string); echo $string.PHP_EOL; }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
ABC1234QWERT ABC1234QWERT ABC1234QWERT

preferences:
90.12 ms | 1575 KiB | 4 Q