diff --git a/.github/workflows/pr-e2e.yml b/.github/workflows/pr-e2e.yml
index 80531781c1c..bf42571bd62 100644
--- a/.github/workflows/pr-e2e.yml
+++ b/.github/workflows/pr-e2e.yml
@@ -93,6 +93,42 @@ jobs:
           gh pr checkout ${{ needs.triage.outputs.pr_num }}
           git checkout ${{ needs.triage.outputs.commit_sha }}
 
+      - name: Run regex checks
+        id: regex-validation
+        continue-on-error: true
+        env:
+          COMMENT_BODY: ${{ github.event.comment.body }}
+        run: |
+          MESSAGE="$COMMENT_BODY"
+          REGEX='/run-e2e (.+)'
+          if [[ "$MESSAGE" =~ $REGEX ]]
+          then
+            export E2E_TEST_REGEX="$(echo ${BASH_REMATCH[1]} | head -1)"
+          fi
+          make e2e-regex-check
+
+      - name: React to comment with failure
+        uses: dkershner6/reaction-action@v2
+        if: steps.regex-validation.outcome != 'success'
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commentId: ${{ github.event.comment.id }}
+          reaction: "-1"
+
+      - name: Set status failure
+        uses: LouisBrunner/checks-action@6b626ffbad7cc56fd58627f774b9067e6118af23 # v2
+        if: steps.regex-validation.outcome != 'success'
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          sha: ${{ needs.triage.outputs.commit_sha }}
+          name: ${{ env.E2E_CHECK_NAME }}
+          conclusion: failure
+          details_url: https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}
+
+      - name: Exit on failure
+        if: steps.regex-validation.outcome != 'success'
+        run: exit 1
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b999413fae3..8240f0a70a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -89,6 +89,7 @@ New deprecation(s):
 ### Other
 
 - TODO ([#XXX](https://github.com/kedacore/keda/issues/XXX))
+- **General**: Added Pre Regex check before building image in e2e test ([#5783](https://github.com/kedacore/keda/issues/5783))
 
 ## v2.14.0
 
diff --git a/Makefile b/Makefile
index 82a9e7c4ea9..edaedf85c90 100644
--- a/Makefile
+++ b/Makefile
@@ -98,6 +98,10 @@ scale-node-pool: az-login ## Scale nodepool.
 		--resource-group $(TF_AZURE_RESOURCE_GROUP) \
 		--node-count $(NODE_POOL_SIZE)
 
+.PHONY: e2e-regex-check
+e2e-regex-check:
+	go run -tags e2e-regex ./tests/run-all.go regex-check
+
 .PHONY: e2e-test
 e2e-test: get-cluster-context ## Run e2e tests against Azure cluster.
 	TERMINFO=/etc/terminfo
diff --git a/tests/run-all.go b/tests/run-all.go
index bf9029c5ff4..76134d55e32 100644
--- a/tests/run-all.go
+++ b/tests/run-all.go
@@ -41,11 +41,25 @@ type TestResult struct {
 func main() {
 	ctx := context.Background()
 
+	//
+	// Detect test cases
+	//
 	e2eRegex := os.Getenv("E2E_TEST_REGEX")
 	if e2eRegex == "" {
 		e2eRegex = ".*_test.go"
 	}
 
+	regularTestFiles := getRegularTestFiles(e2eRegex)
+	sequentialTestFiles := getSequentialTestFiles(e2eRegex)
+	if len(regularTestFiles) == 0 && len(sequentialTestFiles) == 0 {
+		fmt.Printf("No test has been executed, please review your regex: '%s'\n", e2eRegex)
+		os.Exit(1)
+	}
+
+	if len(os.Args) > 1 && os.Args[1] == "regex-check" {
+		return
+	}
+
 	//
 	// Install KEDA
 	//
@@ -57,17 +71,6 @@ func main() {
 		os.Exit(1)
 	}
 
-	//
-	// Detect test cases
-	//
-	regularTestFiles := getRegularTestFiles(e2eRegex)
-	sequentialTestFiles := getSequentialTestFiles(e2eRegex)
-	if len(regularTestFiles) == 0 && len(sequentialTestFiles) == 0 {
-		uninstallKeda(ctx)
-		fmt.Printf("No test has been executed, please review your regex: '%s'\n", e2eRegex)
-		os.Exit(1)
-	}
-
 	//
 	// Execute regular tests
 	//