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<?php $strings = [ 'Rohlík 4,99 Kč 51235', 'Rohlík CZK 4,99 51235', 'Rohlík Kč4,99 51235', 'Rohlík foo4,99 51235' ]; foreach ($strings as $string) { var_export( preg_match('/\b(?:(?:Kč|CZK) ?\K\d+(?:,\d+)?|\d+(?:,\d+)?(?= ?(?:Kč|CZK)))\b/u', $string, $m) ? $m[0] : 'not found' ); echo "\n"; }
Output for 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 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
'4,99' '4,99' '4,99' 'not found'
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 '4,99' '4,99' '4,99' 'not found'
preferences:
138.73 ms | 407 KiB | 5 Q