Bug #70764 [Opn->Nab]: preg_match generate different results

Edit report at https://bugs.php.net/bug.php?id=70764&edit=1 ID: 70764 Updated by: rasmus@php.net Reported by: zhihong dot chen dot cn at gmail dot com Summary: preg_match generate different results -Status: Open +Status: Not a bug Type: Bug Package: PCRE related Operating System: ubuntu 14.04 PHP Version: 5.6.14 Block user comment: N Private report: N New Comment: As the warning tells you, that regex is wrong. Warning: preg_match(): Compilation failed: invalid range in character class at offset 13 You are doing a character class range which is something like [a-z] but in your case you have [\d\(\)-\s] which makes no sense. A good way to debug regular expressions like this is to use https://regex101.com/ Previous Comments: ------------------------------------------------------------------------ [2015-10-22 02:43:42] zhihong dot chen dot cn at gmail dot com Description: ------------ var_dump(preg_match('/^\+?[\d\(\)-\s]+$/','18600003005')); should generate true. in 5.3.28, it generate true Test script: --------------- <?PHP var_dump(preg_match('/^\+?[\d\(\)-\s]+$/','18600003005')); Expected result: ---------------- true Actual result: -------------- false ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=70764&edit=1