diff --git a/README.md b/README.md
index 0418a35b..7518221e 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,11 @@ Generate Release Notes action is dedicated to enhance the quality and organizati
 - **Default**: false
 - **Note**: If workflow run in debug regime, 'verbose' logging is activated.
 
+### `release-notes-title`
+- **Description**: The title of the release notes section in the PR description.
+- **Required**: No
+- **Default**: `[Rr]elease [Nn]otes:`
+
 ### Feature controls
 
 ### `warnings`
@@ -159,6 +164,7 @@ Add the following step to your GitHub workflow (in example are used non-default
     published-at: true
     skip-release-notes-label: 'ignore-in-release'     # changing default value of label
     verbose: false
+    release-notes-title: '[Rr]elease Notes:'
 
     warnings: false
     print-empty-chapters: false
diff --git a/action.yml b/action.yml
index 41c27ee9..96ce3176 100644
--- a/action.yml
+++ b/action.yml
@@ -51,6 +51,10 @@ inputs:
     description: 'Print verbose logs.'
     required: false
     default: 'false'
+  release-notes-title:
+    description: 'The title of the release notes section in the PR body. Value supports regex.'
+    required: false
+    default: '[Rr]elease [Nn]otes:'
   row-format-issue:
     description: 'Format of the issue row in the release notes. Available placeholders: {number}, {title}, {pull-requests}. Placeholders are case-insensitive.'
     required: false
@@ -118,6 +122,7 @@ runs:
         INPUT_SKIP_RELEASE_NOTES_LABEL: ${{ inputs.skip-release-notes-label }}
         INPUT_PRINT_EMPTY_CHAPTERS: ${{ inputs.print-empty-chapters }}
         INPUT_VERBOSE: ${{ inputs.verbose }}
+        INPUT_RELEASE_NOTES_TITLE: ${{ inputs.release-notes-title }}
         INPUT_GITHUB_REPOSITORY: ${{ github.repository }}
         INPUT_ROW_FORMAT_ISSUE: ${{ inputs.row-format-issue }}
         INPUT_ROW_FORMAT_PR: ${{ inputs.row-format-pr }}
diff --git a/release_notes_generator/action_inputs.py b/release_notes_generator/action_inputs.py
index a0fd326e..36d036a2 100644
--- a/release_notes_generator/action_inputs.py
+++ b/release_notes_generator/action_inputs.py
@@ -39,6 +39,8 @@
     ROW_FORMAT_LINK_PR,
     ROW_FORMAT_ISSUE,
     ROW_FORMAT_PR,
+    RELEASE_NOTES_TITLE,
+    RELEASE_NOTE_TITLE_DEFAULT,
 )
 from release_notes_generator.utils.enums import DuplicityScopeEnum
 from release_notes_generator.utils.gh_action import get_action_input
@@ -122,6 +124,13 @@ def get_verbose() -> bool:
         """
         return os.getenv(RUNNER_DEBUG, "0") == "1" or get_action_input(VERBOSE).lower() == "true"
 
+    @staticmethod
+    def get_release_notes_title() -> str:
+        """
+        Get the release notes title from the action inputs.
+        """
+        return get_action_input(RELEASE_NOTES_TITLE, RELEASE_NOTE_TITLE_DEFAULT)
+
     # Features
     @staticmethod
     def get_warnings() -> bool:
@@ -219,6 +228,10 @@ def validate_inputs():
         verbose = ActionInputs.get_verbose()
         ActionInputs.validate_input(verbose, bool, "Verbose logging must be a boolean.", errors)
 
+        release_notes_title = ActionInputs.get_release_notes_title()
+        if not isinstance(release_notes_title, str) or len(release_notes_title) == 0:
+            errors.append("Release Notes title must be a non-empty string and have non-zero length.")
+
         row_format_issue = ActionInputs.get_row_format_issue()
         if not isinstance(row_format_issue, str) or not row_format_issue.strip():
             errors.append("Issue row format must be a non-empty string.")
diff --git a/release_notes_generator/model/record.py b/release_notes_generator/model/record.py
index e4780aca..571ba3a6 100644
--- a/release_notes_generator/model/record.py
+++ b/release_notes_generator/model/record.py
@@ -19,6 +19,8 @@
 """
 
 import logging
+import re
+
 from typing import Optional
 
 from github.Issue import Issue
@@ -31,7 +33,6 @@
     PR_STATE_CLOSED,
     ISSUE_STATE_CLOSED,
     ISSUE_STATE_OPEN,
-    RELEASE_NOTE_DETECTION_PATTERN,
     RELEASE_NOTE_LINE_MARKS,
 )
 from release_notes_generator.utils.pull_reuqest_utils import extract_issue_numbers_from_body
@@ -126,28 +127,26 @@ def labels(self) -> list[str]:
 
         return [label.name for label in self.__gh_issue.labels]
 
-    # TODO in Issue named 'Configurable regex-based Release note detection in the PR body'
-    #   - 'Release notest:' as detection pattern default - can be defined by user
-    #   - '-' as leading line mark for each release note to be used
-    def get_rls_notes(
-        self, detection_pattern=RELEASE_NOTE_DETECTION_PATTERN, line_marks=RELEASE_NOTE_LINE_MARKS
-    ) -> str:
+    def get_rls_notes(self, detection_pattern: str, line_marks: str = RELEASE_NOTE_LINE_MARKS) -> str:
         """
         Gets the release notes of the record.
 
-        @param detection_pattern: The detection pattern to use.
+        @param detection_pattern: The detection pattern (regex allowed) to use.
         @param line_marks: The line marks to use.
         @return: The release notes of the record as a string.
         """
         release_notes = ""
 
+        # Compile the regex pattern for efficiency
+        detection_regex = re.compile(detection_pattern)
+
         # Iterate over all PRs
         for pull in self.__pulls:
             body_lines = pull.body.split("\n") if pull.body is not None else []
             inside_release_notes = False
 
             for line in body_lines:
-                if detection_pattern in line:
+                if detection_regex.search(line):  # Use regex search
                     inside_release_notes = True
                     continue
 
@@ -167,7 +166,7 @@ def contains_release_notes(self) -> bool:
         if self.__is_release_note_detected:
             return self.__is_release_note_detected
 
-        rls_notes: str = self.get_rls_notes()
+        rls_notes: str = self.get_rls_notes(detection_pattern=ActionInputs.get_release_notes_title())
         if any(mark in rls_notes for mark in RELEASE_NOTE_LINE_MARKS):
             self.__is_release_note_detected = True
 
@@ -298,7 +297,7 @@ def to_chapter_row(self) -> str:
             row = f"{row_prefix}" + ActionInputs.get_row_format_issue().format(**format_values)
 
         if self.contains_release_notes:
-            row = f"{row}\n{self.get_rls_notes()}"
+            row = f"{row}\n{self.get_rls_notes(detection_pattern=ActionInputs.get_release_notes_title())}"
 
         return row
 
diff --git a/release_notes_generator/utils/constants.py b/release_notes_generator/utils/constants.py
index 5b4b3377..1cd45468 100644
--- a/release_notes_generator/utils/constants.py
+++ b/release_notes_generator/utils/constants.py
@@ -28,6 +28,7 @@
 PUBLISHED_AT = "published-at"
 SKIP_RELEASE_NOTES_LABEL = "skip-release-notes-label"
 VERBOSE = "verbose"
+RELEASE_NOTES_TITLE = "release-notes-title"
 RUNNER_DEBUG = "RUNNER_DEBUG"
 ROW_FORMAT_ISSUE = "row-format-issue"
 ROW_FORMAT_PR = "row-format-pr"
@@ -48,7 +49,7 @@
 ISSUE_STATE_ALL = "all"
 
 # Release notes comment constants
-RELEASE_NOTE_DETECTION_PATTERN = "Release Notes:"
+RELEASE_NOTE_TITLE_DEFAULT = "[Rr]elease [Nn]otes:"
 RELEASE_NOTE_LINE_MARKS = ["-", "*", "+"]
 
 # Service chapters titles
diff --git a/tests/release_notes/model/test_record.py b/tests/release_notes/model/test_record.py
index d7df6ee3..9aa3e81e 100644
--- a/tests/release_notes/model/test_record.py
+++ b/tests/release_notes/model/test_record.py
@@ -18,6 +18,7 @@
 
 from github.Commit import Commit
 
+from release_notes_generator.action_inputs import ActionInputs
 from release_notes_generator.utils.constants import ISSUE_STATE_CLOSED, PR_STATE_CLOSED
 
 
@@ -67,7 +68,10 @@ def test_record_properties_authors_contributors(record_with_no_issue_one_pull_cl
 
 def test_get_rls_notes(record_with_no_issue_one_pull_closed):
     expected_notes = "  - Fixed bug\n  - Improved performance\n  + More nice code\n    * Awesome architecture"
-    assert record_with_no_issue_one_pull_closed.get_rls_notes() == expected_notes
+    assert record_with_no_issue_one_pull_closed.get_rls_notes(detection_pattern=ActionInputs.get_release_notes_title()) == expected_notes
+
+def test_get_rls_notes_not_detected(record_with_no_issue_one_pull_closed):
+    assert '' == record_with_no_issue_one_pull_closed.get_rls_notes(detection_pattern="XXX")
 
 
 # contains_release_notes