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<?php $regex = '/(((?!a).)*)*a\\{/'; $test_string = 'AAAAAAAAAAAAAA{AA'; echo "1:".ereg_replace($regex,'WORKED',$test_string)."\n";
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function ereg_replace() in /in/GXcYd:4 Stack trace: #0 {main} thrown in /in/GXcYd on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Deprecated: Function ereg_replace() is deprecated in /in/GXcYd on line 4 Warning: ereg_replace(): REG_BADRPT in /in/GXcYd on line 4 1:
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: ereg_replace(): REG_BADRPT in /in/GXcYd on line 4 1:
Output for 4.3.0 - 4.3.1
Warning: ereg_replace() [http://www.php.net/function.ereg-replace]: REG_BADRPT in /in/GXcYd on line 4 1:

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