![]() This one checks that the input contains any number of letters, numbers, hyphens and underscores: a-zA-Z0-9- If you want the input to have at least one character, replace with +: a-zA-Z0-9-+ Note that is what's called a lazy quantifier. Pages which include the word "page" and do not include "somepage": (?=.*page.*)(?!.*somepage). By default, regexes are case-sensitive, a-z only matches lower cases letters. User_id) (http|https):\/\/Back to top Wildcard excluding a certain patternĪll pages which match the pattern but do not include the word "article" or "post" (http|https):\/\/Back to top Excluding certain words or patterns in a URLĪll pages which do not include "/somepage" and "/someotherpage" ^((?!\/somepage|\/someotherpage).)*$ Wildcard examples (where * can be anything) Make sure 'PCRE2 (PHP >=7.3)' is selected in the menu on the left. This REGEX tester can help you build regular expressions. Please retry later will alert you of this issue. If you go over this limit, an error message stating that There was a problem saving session targeting and tracking settings. There is a limit of 750 characters for all of our REGEX targeting rules.It is better not to include that final forward slash character. If your REGEX includes that character at the end, then a visit to the same URL but without the forward-slash wouldn't match. Browser Support / 0-9/ is an ECMAScript1 (ES1) feature. ![]() Tip: Use the 0-9 expression to find any character that is NOT a digit. The digits inside the brackets can be any numbers or span of numbers from 0 to 9.
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