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<?php $data = "The time is 1020 and the time is 1340 and 1550"; $data = preg_replace('/\b(\d{2})(\d{2})\b/', "$1:$2", $data); echo $data;
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 - 8.1.30, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
The time is 10:20 and the time is 13:40 and 15:50

preferences:
62.5 ms | 407 KiB | 5 Q