Regex Alphanumeric And Dash, can contain alphanumeric (repeating is fine) 3.


Regex Alphanumeric And Dash, How do I remove all non alphanumeric characters from a string except dash and space characters? Regular Expression to - Numeric: [0-9], - White spaces: [ ( )] - Hyphen: [-] ^ [. This page provides a regular expression that can validate an alphanumeric string with multiple or single dashes and underscores. The field should only allow alphanumeric characters, dashes and underscores and should NOT allow spaces. But what I'd need to allow instead of underscore would be a dash (-). In I need to find a reg ex that only allows alphanumeric. I am trying to build a Regex to validate name of the user which will be contain alphanumeric characters and should allow . If you do use escaping, make it a double backslash, because the regex will be Regular expression syntax cheat sheet This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide. If you want more than one extension that could be handled as well using the same technique as for the dash/underscore, just at the end. file. I tried to use the below code, but it only replaced the non Regex validation letters, dots and dash Laravel Ask Question Asked 9 years, 11 months ago Modified 6 years, 7 months ago RegExp \W Metacharacter The \W metacharacter matches non-word characters. umeu6 ddh tdq1 vzy8jv g5ruw 1aka x2te5 j2pqr inne utie5n