Username can support more languages or custom settings - ux - Discourse Meta
1. Username: a. Type: text b. A username should only | Chegg.com
![MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker](https://tracker.moodle.org/secure/attachment/19196/useruploadfile.jpg "MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker")
MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker
Fix Twitter Your Username Must be 15 Characters or Less and Contain Only Letter, Number, Underscores - YouTube
Only lowercase alphanumeric characters allowed · Issue #73 · AKASHAorg/Community · GitHub
Registration form incorrectly indicates that "@" is allowed in username · Issue #1258 · MTG/freesound · GitHub
How to change your TikTok username | Mashable
How to sign up for Linode hosting
Text Box Says This field can only contain letters
IRCTC Rail Connect Username Select Problem || Username is Already Registered Problem solve - YouTube
How to Change Username on TikTok - Social Buddy
![MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker](https://tracker.moodle.org/secure/attachment/19043/upload_validation1.png "MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker")
MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker
Usernames can only use letters numbers underscores and periods | Instagram username is not available - YouTube
Overview of Custom Objects Challenge - Salesforce Developer Community
How to change your TikTok username and nickname - Android Authority
Linux Hosting Platform Database - MySQL – Hostway Help Center
Fix Instagram Username can Only Use Letters, Numbers, Underscore, and Periods Problem Solved - YouTube
![MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker](https://tracker.moodle.org/secure/attachment/19044/upload_validation2.png "MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker")
MDL-16919] Administration: Allow username to contain an underscore - Moodle Tracker
Fix Instagram Username Can Only Use Letters Digits, Underscore And Full Stops. Problem Solve - YouTube
Create a new user - Inbox.eu Help
Mentions in dscout – dscout
Fix Instagram Username can Only Use Letters, Numbers, Underscore, and Periods Problem Solved - YouTube
Usernames can only include letter,numbers,dashes,underscores, and periods - YouTube
![Machine Name element description should allow for cases where machine name uses hyphens [#3052479] | Drupal.org](https://www.drupal.org/files/issues/2019-05-03/417EDA62-F895-4FD0-BFF2-0B707C4E42A5.jpg "Machine Name element description should allow for cases where machine name uses hyphens [#3052479] | Drupal.org")
Machine Name element description should allow for cases where machine name uses hyphens [#3052479] | Drupal.org
