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<?php function chk($word) { echo PHP_EOL . 'Word: ' . $word . ' - '; if (preg_match('/^[0-9]+$/u', $word)) { echo 'Ok.' . PHP_EOL; } else { echo 'Ng.' . PHP_EOL; }; } chk('abc12345'); chk('ａｂｃ１２３４５'); chk('12345abc'); chk('１２３４５ａｂｃ'); chk('12345'); chk('１２３４５'); chk('1１2２3３4４5５'); chk('12.345');
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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Word: abc12345 - Ng. Word: ａｂｃ１２３４５ - Ng. Word: 12345abc - Ng. Word: １２３４５ａｂｃ - Ng. Word: 12345 - Ok. Word: １２３４５ - Ng. Word: 1１2２3３4４5５ - Ng. Word: 12.345 - Ng.
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 Word: abc12345 - Ng. Word: ａｂｃ１２３４５ - Ng. Word: 12345abc - Ng. Word: １２３４５ａｂｃ - Ng. Word: 12345 - Ok. Word: １２３４５ - Ng. Word: 1１2２3３4４5５ - Ng. Word: 12.345 - Ng.
preferences:
218.55 ms | 402 KiB | 287 Q