Support » Plugin: WP-Members Membership Plugin » Only certain characters for "username" (RegEx maybe)

  • Is it possible to restrict the input in a form field during the registration to contain only certain types of characters?

    E.g. to let the usernamebe only letters, capital letters, numbers, dashes and underscores?

    If possible, it would be preferable to add a regex directly to different input fields. Thanks.

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