diff --git a/docs/api/immutabilityMiddleware.mdx b/docs/api/immutabilityMiddleware.mdx
index c0a376ccdb..ae192a7f8a 100644
--- a/docs/api/immutabilityMiddleware.mdx
+++ b/docs/api/immutabilityMiddleware.mdx
@@ -29,11 +29,11 @@ interface ImmutableStateInvariantMiddlewareOptions {
    */
   isImmutable?: IsImmutableFunc
   /** 
-    An array of dot-separated path strings that match named nodes from 
+    An array of dot-separated path strings or RegExps that match named nodes from 
     the root state to ignore when checking for immutability.
     Defaults to undefined
    */
-  ignoredPaths?: string[]
+  ignoredPaths?: (string | RegExp)[]
   /** Print a warning if checks take longer than N ms. Default: 32ms */
   warnAfter?: number
   // @deprecated. Use ignoredPaths
diff --git a/docs/api/serializabilityMiddleware.mdx b/docs/api/serializabilityMiddleware.mdx
index 84e7d3f0ab..0aa074a65c 100644
--- a/docs/api/serializabilityMiddleware.mdx
+++ b/docs/api/serializabilityMiddleware.mdx
@@ -39,16 +39,17 @@ interface SerializableStateInvariantMiddlewareOptions {
   ignoredActions?: string[]
 
   /**
-   * An array of dot-separated path strings to ignore when checking
-   * for serializability, Defaults to ['meta.arg', 'meta.baseQueryMeta']
+   * An array of dot-separated path strings or regular expressions to ignore
+   * when checking for serializability, Defaults to
+   * ['meta.arg', 'meta.baseQueryMeta']
    */
-  ignoredActionPaths?: string[]
+  ignoredActionPaths?: (string | RegExp)[]
 
   /**
-   * An array of dot-separated path strings to ignore when checking
-   * for serializability, Defaults to []
+   * An array of dot-separated path strings or regular expressions to ignore
+   * when checking for serializability, Defaults to []
    */
-  ignoredPaths?: string[]
+  ignoredPaths?: (string | RegExp)[]
   /**
    * Execution time warning threshold. If the middleware takes longer
    * than `warnAfter` ms, a warning will be displayed in the console.
diff --git a/packages/rtk-codemods/bin/cli.js b/packages/rtk-codemods/bin/cli.js
old mode 100644
new mode 100755
diff --git a/packages/toolkit/etc/redux-toolkit.api.md b/packages/toolkit/etc/redux-toolkit.api.md
index 62dd27159c..5a113e6378 100644
--- a/packages/toolkit/etc/redux-toolkit.api.md
+++ b/packages/toolkit/etc/redux-toolkit.api.md
@@ -511,7 +511,7 @@ export function findNonSerializableValue(
   path?: string,
   isSerializable?: (value: unknown) => boolean,
   getEntries?: (value: unknown) => [string, any][],
-  ignoredPaths?: readonly string[]
+  ignoredPaths?: readonly (string | RegExp)[]
 ): NonSerializableValue | false
 
 export { freeze }
@@ -762,9 +762,9 @@ export { Selector }
 // @public
 export interface SerializableStateInvariantMiddlewareOptions {
   getEntries?: (value: any) => [string, any][]
-  ignoredActionPaths?: string[]
+  ignoredActionPaths?: (string | RegExp)[]
   ignoredActions?: string[]
-  ignoredPaths?: string[]
+  ignoredPaths?: (string | RegExp)[]
   ignoreState?: boolean
   isSerializable?: (value: any) => boolean
   warnAfter?: number
diff --git a/packages/toolkit/src/immutableStateInvariantMiddleware.ts b/packages/toolkit/src/immutableStateInvariantMiddleware.ts
index 754edcb16b..69f42b67b6 100644
--- a/packages/toolkit/src/immutableStateInvariantMiddleware.ts
+++ b/packages/toolkit/src/immutableStateInvariantMiddleware.ts
@@ -72,7 +72,7 @@ export function isImmutableDefault(value: unknown): boolean {
 
 export function trackForMutations(
   isImmutable: IsImmutableFunc,
-  ignorePaths: string[] | undefined,
+  ignorePaths: IgnorePaths | undefined,
   obj: any
 ) {
   const trackedProperties = trackProperties(isImmutable, ignorePaths, obj)
@@ -116,11 +116,11 @@ function trackProperties(
   return tracked as TrackedProperty
 }
 
-type IgnorePaths = readonly string[]
+type IgnorePaths = readonly (string | RegExp)[]
 
 function detectMutations(
   isImmutable: IsImmutableFunc,
-  ignorePaths: IgnorePaths = [],
+  ignoredPaths: IgnorePaths = [],
   trackedProperty: TrackedProperty,
   obj: any,
   sameParentRef: boolean = false,
@@ -147,19 +147,30 @@ function detectMutations(
     keysToDetect[key] = true
   }
 
+  const hasIgnoredPaths = ignoredPaths.length > 0
+
   for (let key in keysToDetect) {
-    const childPath = path ? path + '.' + key : key
-    if (ignorePaths.length && ignorePaths.indexOf(childPath) !== -1) {
-      continue
+    const nestedPath = path ? path + '.' + key : key
+
+    if (hasIgnoredPaths) {
+      const hasMatches = ignoredPaths.some((ignored) => {
+        if (ignored instanceof RegExp) {
+          return ignored.test(nestedPath)
+        }
+        return nestedPath === ignored
+      })
+      if (hasMatches) {
+        continue
+      }
     }
 
     const result = detectMutations(
       isImmutable,
-      ignorePaths,
+      ignoredPaths,
       trackedProperty.children[key],
       obj[key],
       sameRef,
-      childPath
+      nestedPath
     )
 
     if (result.wasMutated) {
@@ -189,7 +200,7 @@ export interface ImmutableStateInvariantMiddlewareOptions {
     the root state to ignore when checking for immutability.
     Defaults to undefined
    */
-  ignoredPaths?: string[]
+  ignoredPaths?: IgnorePaths
   /** Print a warning if checks take longer than N ms. Default: 32ms */
   warnAfter?: number
   // @deprecated. Use ignoredPaths
diff --git a/packages/toolkit/src/serializableStateInvariantMiddleware.ts b/packages/toolkit/src/serializableStateInvariantMiddleware.ts
index 9058451b28..5aeafb26aa 100644
--- a/packages/toolkit/src/serializableStateInvariantMiddleware.ts
+++ b/packages/toolkit/src/serializableStateInvariantMiddleware.ts
@@ -28,6 +28,8 @@ interface NonSerializableValue {
   value: unknown
 }
 
+type IgnorePaths = readonly (string | RegExp)[]
+
 /**
  * @public
  */
@@ -36,7 +38,7 @@ export function findNonSerializableValue(
   path: string = '',
   isSerializable: (value: unknown) => boolean = isPlain,
   getEntries?: (value: unknown) => [string, any][],
-  ignoredPaths: readonly string[] = []
+  ignoredPaths: IgnorePaths = []
 ): NonSerializableValue | false {
   let foundNestedSerializable: NonSerializableValue | false
 
@@ -58,8 +60,16 @@ export function findNonSerializableValue(
   for (const [key, nestedValue] of entries) {
     const nestedPath = path ? path + '.' + key : key
 
-    if (hasIgnoredPaths && ignoredPaths.indexOf(nestedPath) >= 0) {
-      continue
+    if (hasIgnoredPaths) {
+      const hasMatches = ignoredPaths.some((ignored) => {
+        if (ignored instanceof RegExp) {
+          return ignored.test(nestedPath)
+        }
+        return nestedPath === ignored
+      })
+      if (hasMatches) {
+        continue
+      }
     }
 
     if (!isSerializable(nestedValue)) {
@@ -113,16 +123,17 @@ export interface SerializableStateInvariantMiddlewareOptions {
   ignoredActions?: string[]
 
   /**
-   * An array of dot-separated path strings to ignore when checking
-   * for serializability, Defaults to ['meta.arg', 'meta.baseQueryMeta']
+   * An array of dot-separated path strings or regular expressions to ignore
+   * when checking for serializability, Defaults to
+   * ['meta.arg', 'meta.baseQueryMeta']
    */
-  ignoredActionPaths?: string[]
+  ignoredActionPaths?: (string | RegExp)[]
 
   /**
-   * An array of dot-separated path strings to ignore when checking
-   * for serializability, Defaults to []
+   * An array of dot-separated path strings or regular expressions to ignore
+   * when checking for serializability, Defaults to []
    */
-  ignoredPaths?: string[]
+  ignoredPaths?: (string | RegExp)[]
   /**
    * Execution time warning threshold. If the middleware takes longer
    * than `warnAfter` ms, a warning will be displayed in the console.
diff --git a/packages/toolkit/src/tests/__snapshots__/serializableStateInvariantMiddleware.test.ts.snap b/packages/toolkit/src/tests/__snapshots__/serializableStateInvariantMiddleware.test.ts.snap
index e4db1dd358..eefb78b678 100644
--- a/packages/toolkit/src/tests/__snapshots__/serializableStateInvariantMiddleware.test.ts.snap
+++ b/packages/toolkit/src/tests/__snapshots__/serializableStateInvariantMiddleware.test.ts.snap
@@ -31,6 +31,8 @@ Take a look at the reducer(s) handling this action type: TEST_ACTION.
 
 exports[`serializableStateInvariantMiddleware ignored action paths can specify (multiple) different values 1`] = `""`;
 
+exports[`serializableStateInvariantMiddleware ignored action paths can specify regexp 1`] = `""`;
+
 exports[`serializableStateInvariantMiddleware ignored action paths default value can be overridden 1`] = `
 "A non-serializable value was detected in an action, in the path: \`meta.arg\`. Value: Map {} 
 Take a look at the logic that dispatched this action:  Object {
diff --git a/packages/toolkit/src/tests/immutableStateInvariantMiddleware.test.ts b/packages/toolkit/src/tests/immutableStateInvariantMiddleware.test.ts
index bc90e4906a..40e371a79c 100644
--- a/packages/toolkit/src/tests/immutableStateInvariantMiddleware.test.ts
+++ b/packages/toolkit/src/tests/immutableStateInvariantMiddleware.test.ts
@@ -121,10 +121,16 @@ describe('createImmutableStateInvariantMiddleware', () => {
       return action
     }
 
-    const dispatch = middleware({ ignoredPaths: ['foo.bar'] })(next)
+    const dispatch1 = middleware({ ignoredPaths: ['foo.bar'] })(next)
 
     expect(() => {
-      dispatch({ type: 'SOME_ACTION' })
+      dispatch1({ type: 'SOME_ACTION' })
+    }).not.toThrow()
+
+    const dispatch2 = middleware({ ignoredPaths: [/^foo/] })(next)
+
+    expect(() => {
+      dispatch2({ type: 'SOME_ACTION' })
     }).not.toThrow()
   })
 
diff --git a/packages/toolkit/src/tests/serializableStateInvariantMiddleware.test.ts b/packages/toolkit/src/tests/serializableStateInvariantMiddleware.test.ts
index 16df042a3b..2b55ff97b4 100644
--- a/packages/toolkit/src/tests/serializableStateInvariantMiddleware.test.ts
+++ b/packages/toolkit/src/tests/serializableStateInvariantMiddleware.test.ts
@@ -389,6 +389,22 @@ describe('serializableStateInvariantMiddleware', () => {
 
       expect(getLog().log).toMatchInlineSnapshot(`""`)
     })
+
+    it('can specify regexp', () => {
+      configureStore({
+        reducer,
+        middleware: [
+          createSerializableStateInvariantMiddleware({
+            ignoredActionPaths: [/^payload\..*$/],
+          }),
+        ],
+      }).dispatch({
+        type: 'test',
+        payload: { arg: nonSerializableValue },
+      })
+
+      expect(getLog().log).toMatchInlineSnapshot(`""`)
+    })
   })
 
   it('allows ignoring actions entirely', () => {
@@ -439,6 +455,10 @@ describe('serializableStateInvariantMiddleware', () => {
               d: badValue,
             },
             e: { f: badValue },
+            g: {
+              h: badValue,
+              i: badValue,
+            },
           }
         }
         default:
@@ -455,6 +475,8 @@ describe('serializableStateInvariantMiddleware', () => {
           'testSlice.b.c',
           // Test for ignoring an object and its children
           'testSlice.e',
+          // Test for ignoring based on RegExp
+          /^testSlice\.g\..*$/,
         ],
       })