diff --git a/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php b/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php
index 0cbb9453761..5c92e897259 100644
--- a/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php
+++ b/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php
@@ -257,7 +257,7 @@ class WC_Meta_Box_Coupon_Data {
 						'id'                => 'customer_email',
 						'label'             => __( 'Email restrictions', 'woocommerce' ),
 						'placeholder'       => __( 'No restrictions', 'woocommerce' ),
-						'description'       => __( 'List of allowed emails to check against the customer billing email when an order is placed. Separate email addresses with commas.', 'woocommerce' ),
+						'description'       => __( 'List of allowed emails to check against the customer billing email when an order is placed. Separate email addresses with commas. You can also use an asterisk (*) to match parts of an email. For example "*@gmail.com" would match all gmail addresses.', 'woocommerce' ),
 						'value'             => implode( ', ', (array) $coupon->get_email_restrictions() ),
 						'desc_tip'          => true,
 						'type'              => 'email',
diff --git a/includes/class-wc-cart.php b/includes/class-wc-cart.php
index a9f4cc2b76a..3de50c12bef 100644
--- a/includes/class-wc-cart.php
+++ b/includes/class-wc-cart.php
@@ -1451,7 +1451,7 @@ class WC_Cart extends WC_Legacy_Cart {
 				// Limit to defined email addresses.
 				$restrictions = $coupon->get_email_restrictions();
 
-				if ( is_array( $restrictions ) && 0 < count( $restrictions ) && 0 === count( array_intersect( $check_emails, $restrictions ) ) ) {
+				if ( is_array( $restrictions ) && 0 < count( $restrictions ) && ! $this->is_coupon_emails_allowed( $check_emails, $restrictions ) ) {
 					$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_NOT_YOURS_REMOVED );
 					$this->remove_coupon( $code );
 				}
@@ -1498,6 +1498,37 @@ class WC_Cart extends WC_Legacy_Cart {
 		}
 	}
 
+	/**
+	 * Checks if the given email address(es) matches the ones specified on the coupon.
+	 *
+	 * @param array $check_emails Array of customer email addresses.
+	 * @param array $restrictions Array of allowed email addresses.
+	 * @return bool
+	 */
+	public function email_is_accepted( $check_emails, $restrictions ){
+
+		foreach ( $check_emails as $check_email ) {
+			// With a direct match we return true.
+			if ( in_array( $check_email, $restrictions ) ) {
+				return true;
+			}
+
+			// Go through the allowed emails and return true if the email matches a wildcard.
+			foreach ( $restrictions as $restriction ) {
+				// Convert to PHP-regex syntax.
+				$regex = '/' . str_replace( '*', '(.+)?', $restriction ) . '/';
+				preg_match( $regex, $check_email, $match );
+				if ( ! empty( $match ) ) {
+					return true;
+				}
+			}
+		}
+
+		// No matches, this one isn't allowed.
+		return false;
+	}
+
+
 	/**
 	 * Returns whether or not a discount has been applied.
 	 *