Custom error messages for register username
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I’m wanting to add a simple error message to this plugin script. The
$errors->add( 'invalid_username', __( '<strong>ERROR</strong>: This username is invalid. Use only lowercase letters' ) );
section was pulled from the base wordpress files but it breaks the plugin. How do I do this so I can have an error code that is specific?add_filter('validate_username' , 'custom_validate_username', 10, 2); function custom_validate_username($valid, $username ) { if (preg_match("/\\s/", $username)) { return $valid=false; } if (preg_match('/.*[A-Z]/', $username)) { $errors->add( 'invalid_username', __( '<strong>ERROR</strong>: This username is invalid. Use only lowercase letters' ) ); return $valid=false; } return $valid; }
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