Free Online Regular Expression Tester | free online java regular expression tester
RegularExpression-SolutionstocommonproblemsHowcanIemulateDOTALLinJavaScript?DOTALLisaflaginmostrecentregexlibrariesthatmakesthe.metacharactermatchanythingINCLUDINGlinebreaks.JavaScriptbydefaultdoesnotsupportthissincethe.metacharactermatchesanythingBUTlinebreaks.Toemulatethisbehavior,simplyreplacesall.metacharactersby[Ss].ThismeansmatchanythingthatisasinglewhitespacecharacterORanythingthatisnotawhitespacecharacter![Ss]HowtovalidateanEMAILaddresswitharegularexpression?Thereisno100%reliablesolu...
Regular Expression - Solutions to common problems How can I emulate DOTALL in JavaScript?DOTALL is a flag in most recent regex libraries that makes the . metacharacter match anything INCLUDING line breaks. JavaScript by default does not support this since the . metacharacter matches anything BUT line breaks. To emulate this behavior, simply replaces all . metacharacters by [Ss]. This means match anything that is a single white space character OR anything that is not a white space character!
[Ss] How to validate an EMAIL address with a regular expression?There is no 100% reliable solution since the RFC is way too complex. This is the best solution and should work 99% of the time is. Consult this page for more details on this problem. Always turn off case sensitivity![1]
[-a-z0-9~!$%&*_=+}{?]+(.[-a-z0-9~!$%&*_=+}{?]+)*@([a-z0-9_][-a-z0-9_]*(.[-a-z0-9_]+)*.(aero|arpa|biz|com|coop|edu|gov|info|int|mil|museum|...