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<?php $strings=['12jan','12 jan','12 jan','12/jan','12//jan','12/jan','12*/jan','12*//jan']; foreach($strings as $string){ var_export(preg_split('~(?<=[0-9])[*/ ]*(?=[a-z]+)~i',$string)); echo "\n"; var_export(preg_split('~\d+\K[*/ ]*~',$string)); echo "\n"; var_export(preg_match('~(\d+)[/* ]*([a-z]+)~i',$string,$out)?array_slice($out,1):'fail'); echo "\n"; var_export(preg_match('~(\d+)[/* ]*(.+)~',$string,$out)?array_slice($out,1):'fail'); echo "\n"; var_export(preg_match_all('~\d+|[a-z]+~i',$string,$out)?$out[0]:'fail'); echo "\n---\n"; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) ---
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) array ( 0 => '12', 1 => 'jan', ) ---

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