diff --git a/types/joi/index.d.ts b/types/joi/index.d.ts
index 94ffd188cf..7838323e6b 100644
--- a/types/joi/index.d.ts
+++ b/types/joi/index.d.ts
@@ -164,6 +164,11 @@ export interface IPOptions {
     cidr?: string
 }
 
+export interface StringRegexOptions {
+    name?: string;
+    invert?: boolean;
+}
+
 export interface JoiObject {
     isJoi: boolean;
 }
@@ -551,9 +556,13 @@ export interface StringSchema extends AnySchema {
     /**
      * Defines a regular expression rule.
      * @param pattern - a regular expression object the string value must match against.
-     * @param name - optional name for patterns (useful with multiple patterns). Defaults to 'required'.
+     * @param options - optional, can be:
+     *   Name for patterns (useful with multiple patterns). Defaults to 'required'.
+     *   An optional configuration object with the following supported properties:
+     *     name - optional pattern name.
+     *     invert - optional boolean flag. Defaults to false behavior. If specified as true, the provided pattern will be disallowed instead of required.
      */
-    regex(pattern: RegExp, name?: string): this;
+    regex(pattern: RegExp, options?: string | StringRegexOptions): this;
 
     /**
      * Replace characters matching the given pattern with the specified replacement string where:
diff --git a/types/joi/joi-tests.ts b/types/joi/joi-tests.ts
index 3ee7c45b66..1ab3316eb8 100644
--- a/types/joi/joi-tests.ts
+++ b/types/joi/joi-tests.ts
@@ -135,6 +135,13 @@ refOpts = { contextPrefix: str };
 
 // --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
 
+let stringRegexOpts: Joi.StringRegexOptions = null;
+
+stringRegexOpts = { name: str };
+stringRegexOpts = { invert: bool };
+
+// --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
+
 let validErr: Joi.ValidationError = null;
 let validErrItem: Joi.ValidationErrorItem;
 let validErrFunc: Joi.ValidationErrorFunction;
@@ -764,6 +771,7 @@ strSchema = strSchema.length(ref);
 strSchema = strSchema.length(ref, str);
 strSchema = strSchema.regex(exp);
 strSchema = strSchema.regex(exp, str);
+strSchema = strSchema.regex(exp, stringRegexOpts);
 strSchema = strSchema.replace(exp, str);
 strSchema = strSchema.replace(str, str);
 strSchema = strSchema.alphanum();