Show pageBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Regular Expressions ====== ===== Common regexes ===== ^ purpose/match/validates ^ Regex | | FQDN[(fully qualified domain name)][(from http://blog.gnukai.com/2010/06/fqdn-regular-expression/ which references [[https://datatracker.ietf.org/doc/html/rfc1035|RFC1035]])] | ''%%(?=^.{1,254}$)(^(?:(?!\d|-)[a-zA-Z0-9\-]{1,63}(?<!-)\.?)+(?:[a-zA-Z]{2,})$)%%'' | ===== online tools ===== * [[https://regexr.com/|Regexr]] – evaluates and explains regular expressions * [[https://www.regexpal.com/|Regexpal]] – evaluates regexes * [[https://regex101.com/|Regex101]] – online RegEx IDE * [[https://regexcrossword.com/|Regex Crossword]] – game to learn regular expressions Last modified: 2024-07-05 14:31