diff --git a/packages/mui-codemod/src/deprecations/button-group-classes/button-group-classes.js b/packages/mui-codemod/src/deprecations/button-group-classes/button-group-classes.js
index 96fa3dd952e40a..dcb9eadc0c9308 100644
--- a/packages/mui-codemod/src/deprecations/button-group-classes/button-group-classes.js
+++ b/packages/mui-codemod/src/deprecations/button-group-classes/button-group-classes.js
@@ -106,11 +106,11 @@ export default function transformer(file, api, options) {
         });
       });
 
-    const selectorRegex = new RegExp(`^${replacementSelectorPrefix}${deprecatedClass}`);
+    const selectorRegex = `${replacementSelectorPrefix}${deprecatedClass}`;
     root
       .find(
         j.Literal,
-        (literal) => typeof literal.value === 'string' && literal.value.match(selectorRegex),
+        (literal) => typeof literal.value === 'string' && literal.value === selectorRegex,
       )
       .forEach((path) => {
         path.replace(
diff --git a/packages/mui-codemod/src/deprecations/button-group-classes/test-cases/expected.js b/packages/mui-codemod/src/deprecations/button-group-classes/test-cases/expected.js
index aa26037cba0ae7..809d1ecfba446b 100644
--- a/packages/mui-codemod/src/deprecations/button-group-classes/test-cases/expected.js
+++ b/packages/mui-codemod/src/deprecations/button-group-classes/test-cases/expected.js
@@ -3,20 +3,20 @@ import { buttonGroupClasses } from '@mui/material/ButtonGroup';
 ("&.MuiButtonGroup-horizontal > .MuiButtonGroup-grouped");
 ("&.MuiButtonGroup-vertical > .MuiButtonGroup-grouped");
 ("&.MuiButtonGroup-text > .MuiButtonGroup-grouped");
-("&.MuiButtonGroup-text > .MuiButtonGroup-groupedHorizontal");
-("&.MuiButtonGroup-text > .MuiButtonGroup-groupedVertical");
-("&.MuiButtonGroup-text > .MuiButtonGroup-groupedPrimary");
-("&.MuiButtonGroup-text > .MuiButtonGroup-groupedSecondary");
+("&.MuiButtonGroup-text.MuiButtonGroup-horizontal > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-text.MuiButtonGroup-vertical > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-text.MuiButtonGroup-colorPrimary > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-text.MuiButtonGroup-colorSecondary > .MuiButtonGroup-grouped");
 ("&.MuiButtonGroup-outlined > .MuiButtonGroup-grouped");
-("&.MuiButtonGroup-outlined > .MuiButtonGroup-groupedHorizontal");
-("&.MuiButtonGroup-outlined > .MuiButtonGroup-groupedVertical");
-("&.MuiButtonGroup-outlined > .MuiButtonGroup-groupedPrimary");
-("&.MuiButtonGroup-outlined > .MuiButtonGroup-groupedSecondary");
+("&.MuiButtonGroup-outlined.MuiButtonGroup-horizontal > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-outlined.MuiButtonGroup-vertical > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-outlined.MuiButtonGroup-colorPrimary > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-outlined.MuiButtonGroup-colorSecondary > .MuiButtonGroup-grouped");
 ("&.MuiButtonGroup-contained > .MuiButtonGroup-grouped");
-("&.MuiButtonGroup-contained > .MuiButtonGroup-groupedHorizontal");
-("&.MuiButtonGroup-contained > .MuiButtonGroup-groupedVertical");
-("&.MuiButtonGroup-contained > .MuiButtonGroup-groupedPrimary");
-("&.MuiButtonGroup-contained > .MuiButtonGroup-groupedSecondary");
+("&.MuiButtonGroup-contained.MuiButtonGroup-horizontal > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-contained.MuiButtonGroup-vertical > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-contained.MuiButtonGroup-colorPrimary > .MuiButtonGroup-grouped");
+("&.MuiButtonGroup-contained.MuiButtonGroup-colorSecondary > .MuiButtonGroup-grouped");
 `&.${buttonGroupClasses.horizontal} > .${buttonGroupClasses.grouped}`;
 `&.${buttonGroupClasses.vertical} > .${buttonGroupClasses.grouped}`;
 `&.${buttonGroupClasses.text} > .${buttonGroupClasses.grouped}`;