bp_core_get_userlink_by_email( string $email )

function bp_core_get_userlink_by_email( $email ) {
	$user = get_user_by( 'email', $email );

	/**
	 * Filters the user link for the user based on user email address.
	 *
	 * @since BuddyPress 1.0.1
	 *
	 * @param string|bool $value URL for the user if found, otherwise false.
	 */
	return apply_filters( 'bp_core_get_userlink_by_email', bp_core_get_userlink( $user->ID, false, false, true ) );
}