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<?php $sRegex = "/([A-Z]|[a-z]|[0-9]| |Ñ|ñ|!|&quot;|%|&amp;|'|´|-|:|;|>|=|&lt;|@|_|,|\{|\}|`|~|á|é|í|ó|ú|Á|É|Í|Ó|Ú|ü|Ü){1,300}/"; $sTest = "Hello world"; var_dump(preg_match($sRegex, $sTest)); // returns false var_dump(preg_last_error()); // returns 0
Output for 7.1.20 - 7.1.33, 7.2.1 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.27, 8.0.0 - 8.0.15, 8.1.0 - 8.1.2
Warning: preg_match(): Compilation failed: regular expression is too large at offset 123 in /in/1eUf6 on line 6 bool(false) int(1)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
Warning: preg_match(): Compilation failed: regular expression is too large at offset 123 in /in/1eUf6 on line 6 bool(false) int(0)

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