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<?php $kamar = "12223233 sekamar berempat"; echo trim(preg_replace("/[^a-z]+/", " ", $kamar));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.26, 8.1.0 - 8.1.13
sekamar berempat

preferences:
61.36 ms | 409 KiB | 5 Q