RegexpException: uses preg_last_error_msg()

Author: dg

src/Utils/Strings.php

@@ -667,7 +667,7 @@ public static function pcre(string $func, array $args)
 		if (($code = preg_last_error()) // run-time error, but preg_last_error & return code are liars
 			&& ($res === null || !in_array($func, ['preg_filter', 'preg_replace_callback', 'preg_replace'], true))
 		) {
-			throw new RegexpException((RegexpException::MESSAGES[$code] ?? 'Unknown error')
+			throw new RegexpException(preg_last_error_msg()
 				. ' (pattern: ' . implode(' or ', (array) $args[0]) . ')', $code);
 		}
 

src/Utils/exceptions.php

@@ -39,14 +39,6 @@ class JsonException extends \Exception
  */
 class RegexpException extends \Exception
 {
-	public const MESSAGES = [
-		PREG_INTERNAL_ERROR => 'Internal error',
-		PREG_BACKTRACK_LIMIT_ERROR => 'Backtrack limit was exhausted',
-		PREG_RECURSION_LIMIT_ERROR => 'Recursion limit was exhausted',
-		PREG_BAD_UTF8_ERROR => 'Malformed UTF-8 data',
-		PREG_BAD_UTF8_OFFSET_ERROR => 'Offset didn\'t correspond to the begin of a valid UTF-8 code point',
-		6 => 'Failed due to limited JIT stack space', // PREG_JIT_STACKLIMIT_ERROR
-	];
 }