3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = "1234 4567 4568 4569 4560 3333AA 3334BB "; $allowedInputSeparators = array('\r\n', '\n', '\s', ',', ';', '|'); foreach($allowedInputSeparators as $separator) { echo "Testing "; var_dump($separator); if(preg_match($separator, $value)) { echo $separator . PHP_EOL; } }
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Testing string(4) "\r\n" Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/VG2VJ on line 14 Testing string(2) "\n" Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/VG2VJ on line 14 Testing string(2) "\s" Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/VG2VJ on line 14 Testing string(1) "," Warning: preg_match(): No ending delimiter ',' found in /in/VG2VJ on line 14 Testing string(1) ";" Warning: preg_match(): No ending delimiter ';' found in /in/VG2VJ on line 14 Testing string(1) "|" Warning: preg_match(): No ending delimiter '|' found in /in/VG2VJ on line 14
Output for 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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 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
Testing string(4) "\r\n" Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/VG2VJ on line 14 Testing string(2) "\n" Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/VG2VJ on line 14 Testing string(2) "\s" Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/VG2VJ on line 14 Testing string(1) "," Warning: preg_match(): No ending delimiter ',' found in /in/VG2VJ on line 14 Testing string(1) ";" Warning: preg_match(): No ending delimiter ';' found in /in/VG2VJ on line 14 Testing string(1) "|" Warning: preg_match(): No ending delimiter '|' found in /in/VG2VJ on line 14
Output for 4.3.0 - 4.3.10
Testing string(4) "\r\n" Warning: Delimiter must not be alphanumeric or backslash in /in/VG2VJ on line 14 Testing string(2) "\n" Warning: Delimiter must not be alphanumeric or backslash in /in/VG2VJ on line 14 Testing string(2) "\s" Warning: Delimiter must not be alphanumeric or backslash in /in/VG2VJ on line 14 Testing string(1) "," Warning: No ending delimiter ',' found in /in/VG2VJ on line 14 Testing string(1) ";" Warning: No ending delimiter ';' found in /in/VG2VJ on line 14 Testing string(1) "|" Warning: No ending delimiter '|' found in /in/VG2VJ on line 14
preferences:
223.63 ms | 402 KiB | 328 Q