3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print preg_match('/^[a-z0-9 _.*",?{}@!=:;/+~\\-]+$/i', 'v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLVTHyanj4Pvh8Ye3vcOpvG29URNNbESNvjgfx8F12rig2Pd5gp1Y6NAZQgWzEFpDjeAMnFdpS+5U5XIAXz7nWVA061DXTXE2cvzHXGA0W8sLDOvdk3K7PXCRs1/c6JUgIhE+ViZebpShS3x4W72ooUXS2KvWe/ArpiF0Q+qrUlwIDAQAB');
Output for 4.3.11 - 5.6.21, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '+' in /in/eZOgO on line 3
Output for hhvm-3.12.0
Warning: Unknown modifier '+': [/^[a-z0-9 _.*",?{}@!=:;/+~\-]+$/i] in /in/eZOgO on line -1
Output for hhvm-3.10.0
Warning: Unknown modifier '+': [/^[a-z0-9 _.*",?{}@!=:;/+~\-]+$/i] in /in/eZOgO on line 3
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '+' in /in/eZOgO on line 3