<?php
preg_match('#(?<123>.+)#', 'foo');
- Output for 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
- Warning: preg_match(): Compilation failed: subpattern name must start with a non-digit at offset 3 in /in/7KJrs on line 3
- Output for 5.4.41 - 5.4.45, 5.5.10 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
- Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 3 in /in/7KJrs on line 3
- Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.40, 5.5.0 - 5.5.9
- Warning: preg_match(): Numeric named subpatterns are not allowed in /in/7KJrs on line 3
- Output for 4.3.11, 4.4.0 - 4.4.5, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.1
- Warning: preg_match(): Compilation failed: unrecognized character after (?< at offset 3 in /in/7KJrs on line 3
- Output for 4.4.6 - 4.4.9
- Output for 4.3.0 - 4.3.10
- Warning: Compilation failed: unrecognized character after (?< at offset 3 in /in/7KJrs on line 3
preferences:
292.15 ms | 401 KiB | 455 Q