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http://bugs.exim.org/show_bug.cgi?id=1412 Summary: \s Randomly Matches xA0 Product: PCRE Version: 8.31 Platform: All URL: http://core.trac.wordpress.org/ticket/22692 OS/Version: All Status: NEW Severity: bug Priority: medium Component: Code AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected] I am working on a bug patch for WordPress. With the help of other developers there, we have reached the conclusion that the PCRE \s sequence will randomly match the \xA0 byte in some PHP environments but not in others. Specifically, this PHP command will return 1 on some computers and 0 on other computers: var_dump( preg_match( '/^\s$/', "\xA0" ) ); In some cases it will produce different results within phpunit than without. We have not been able to identify any specific environmental cause such as hardware, OS, or PHP version. Can you shed some light on why this regexp has random results? -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
