Email Address has invalid characters

[laiclair]

New user registration module is not accepting email with underscore "_" and end up with:
"Email Address has invalid characters"

Snapshot from : 2019-03-16T03_43_58Z

[jrivard]

Please ask for help on the pwm-general google group. This is not a bug.

[hdeadman]

E-mail addresses can have underscores... the company I work at uses lastname_firstname@xyz.com for their e-mail naming convention. Is it not a bug because the regular expression is configurable? It appears that the default regex for email is still ^[a-zA-Z0-9 .,'@]*$

[BloodyIron]

@hdeadman not sure if you still need a solution but: #719 (comment)