Eureka Moment general:regex https://wiki.plecko.hr/ 2026-04-04T00:08:07+00:00 Eureka Moment https://wiki.plecko.hr/ https://wiki.plecko.hr/lib/tpl/bootstrap3/images/favicon.ico text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:comma https://wiki.plecko.hr/doku.php?id=general:regex:comma&rev=1572509100&do=diff Comma before or after double quote RegEx Matches “,” or “, or ,” but not , (?<="),(?=") text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:date https://wiki.plecko.hr/doku.php?id=general:regex:date&rev=1572509100&do=diff Date RegEx ^[1-2]{1}[0-9]{3}-((0[1-9]{1})|(1[0-2]{1}))-(([0]{1}[1-9]{1})|([1-2]{1}[0-9]{1})|(3[0-1]{1}))$ text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:hostname https://wiki.plecko.hr/doku.php?id=general:regex:hostname&rev=1572509100&do=diff FQDN RegEx Valid as per RFC 1123. Originally, RFC 952 specified that hostname segments could not start with a digit. ^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])\.$ text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:ip_address https://wiki.plecko.hr/doku.php?id=general:regex:ip_address&rev=1572509100&do=diff IP Address RegEx IPv4 ^([0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])$ [0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5] 0-255 \. . text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:line_break https://wiki.plecko.hr/doku.php?id=general:regex:line_break&rev=1572509100&do=diff Line break RegEx \r\n|\n|\r text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:space_number https://wiki.plecko.hr/doku.php?id=general:regex:space_number&rev=1572509100&do=diff Space before or after a number \s(?=\d) \s+(?=\d) (?<=\d)\s (?<=\d)\s+ Use [ ] instead of \s to match a space instead of [\r\n\t\f\v ] text/html 2019-10-31T09:05:00+00:00 Anonymous (anonymous@undisclosed.example.com) general:regex:start https://wiki.plecko.hr/doku.php?id=general:regex:start&rev=1572509100&do=diff RegEx * Comma before or after double quote RegEx * Date RegEx * FQDN RegEx * IP Address RegEx * Line break RegEx * Space before or after a number