🤖 Merge PR DefinitelyTyped#73969 [@types/validator] update isEmail host_blacklist and host_whitelist to accept regex by @weikangchia

Author: weikangchia

types/validator/lib/isEmail.d.ts

@@ -53,13 +53,13 @@ export interface IsEmailOptions {
      *  and the part of the email after the @ symbol matches one of the strings defined in it,
      *  the validation fails.
      */
-    host_blacklist?: string[] | undefined;
+    host_blacklist?: Array<string | RegExp> | undefined;
     /**
      * If host_whitelist is set to an array of strings
      * and the part of the email after the @ symbol matches none of the strings defined in it,
      * the validation fails.
      */
-    host_whitelist?: string[] | undefined;
+    host_whitelist?: Array<string | RegExp> | undefined;
     /**
      *  If blacklisted_chars receives a string, then the validator will reject emails that include
      *  any of the characters in the string, in the name part.

types/validator/validator-tests.ts

@@ -725,11 +725,11 @@ const any: any = null;
     };
 
     const isEmailOptionsWithBlacklistedHosts: validator.IsEmailOptions = {
-        host_blacklist: ["domain"],
+        host_blacklist: ["domain", /^([a-z0-9\-]+[.])*example[.]com$/],
     };
 
     const isEmailOptionsWithWhitelistedHosts: validator.IsEmailOptions = {
-        host_whitelist: ["domain"],
+        host_whitelist: ["domain", /^([a-z0-9\-]+[.])*example[.]com$/],
     };
 
     const isEmailOptionsWithBlacklistedCharacters: validator.IsEmailOptions = {