Fix Roblox | Username Contains only letters, numbers, and Is between 3 and 20 .Problem Solved - YouTube
Create a new user - Inbox.eu Help
Overview of Custom Objects Challenge - Salesforce Developer Community
Topic: Unable to create new user – Usernames can contain only letters, etc. · BuddyPress.org
Linux Hosting Platform Database - MySQL – Hostway Help Center
How to sign up for Linode hosting
username validation message is hard to understand; need clearer general wording · Issue #3524 · LLK/scratch-www · GitHub
Mistake in help text - should be underscore NOT hyphens · Issue #20 · backdrop-contrib/fanciblock · GitHub
Mentions in dscout – dscout
![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
Fix Password Must Contain Letters and Digits - YouTube
Fix Instagram Username Can Only Use Letters Digits, Underscore And Full Stops. Problem Solve - YouTube
![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
MyEnglishLab: Register and Login : Pearson Yardım
Text Box Says This field can only contain letters
![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
Only lowercase alphanumeric characters allowed · Issue #73 · AKASHAorg/Community · GitHub
1. Username: a. Type: text b. A username should only | Chegg.com
Mistake in help text - should be underscore NOT hyphens · Issue #20 · backdrop-contrib/fanciblock · GitHub
Usernames can only include letter,numbers,dashes,underscores, and periods - YouTube
Usernames can only use letters numbers underscores and periods | Instagram username is not available - 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
Instagram Username Can Only Contain Letters, Numbers, Underscores & Periods - YouTube
Fix Twitter Your Username Must be 15 Characters or Less and Contain Only Letter, Number, Underscores - YouTube
1. Username: a. Type: text b. A username should only | Chegg.com
