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run code in 300+ PHP versions simultaneously
<?php $address = 'AT POST :- SARIGAM, (BHANDARI STREET) PIN : 396155 STATE: GUJARAT VALSAD GUJARAT 396155 India'; echo preg_replace('/([^A-Za-z0-9\s])/', '\\\\$1', $address);
Output for 7.1.0 - 7.1.33, 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 - 8.3.27, 8.4.1 - 8.4.14
AT POST \:\- SARIGAM\, \(BHANDARI STREET\) PIN \: 396155 STATE\: GUJARAT VALSAD GUJARAT 396155 India

preferences:
114.96 ms | 408 KiB | 5 Q