diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f9ed087b6b4..15e1d437523 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -342,7 +342,7 @@ jobs:
         uses: ./
         with:
           files: |
-            .github/workflows/test.yml
+            **/test.yml
             action.yml
           separator: "|"
       - name: Show output
@@ -425,7 +425,7 @@ jobs:
             test/changed-files-list.txt
             test/changed-files-list.txt
           files: |
-            .github/workflows/rebase.yml
+            **/workflows/rebase.yml
       - name: Verify any_changed from source files
         if: |
           (
@@ -555,7 +555,7 @@ jobs:
         uses: ./
         with:
           files: |
-            .github/workflows/test.yml
+            .github/**/test.yml
       - name: Verify only_changed files
         if: steps.changed-files-specific-only-changed.outputs.other_changed_files != ''
         run: |
diff --git a/README.md b/README.md
index 24365ff9583..1c02ec686c8 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Retrieve all changed files relative to the default branch (`pull_request*` based
     *   Between the last remote branch commit and the current HEAD.
 *   Restrict change detection to a subset of files.
     *   Report on files that have at least one change.
-    *   [Regex pattern](https://www.gnu.org/software/grep/manual/grep.html#Regular-Expressions) matching on a subset of files.
+    *   [Glob pattern](https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet) matching on a subset of files.
 
 ## Usage
 
@@ -173,10 +173,10 @@ Support this project with a :star:
             test.txt
             new.txt
             test_directory
-            \.sh$
-            .(png|jpeg)$
-            .(sql|py)$
-            ^(mynewfile|custom)
+            *.sh
+            *.png
+            *.jpeg
+            **/migrate-*.sql
 
       - name: Run step if any of the listed files above change
         if: steps.changed-files-specific.outputs.any_changed == "true"
diff --git a/action.yml b/action.yml
index 270d262bb89..0bc3d2293d9 100644
--- a/action.yml
+++ b/action.yml
@@ -108,6 +108,12 @@ runs:
         # https://github.community/t/input-variable-name-is-not-available-in-composite-run-steps/127611
         INPUT_FILES: ${{ inputs.files }}
         INPUT_FILES_FROM_SOURCE_FILE: ${{ inputs.files_from_source_file }}
+    - name: Glob match
+      uses: tj-actions/glob@v2
+      id: glob
+      with:
+        files: ${{ steps.source-input-files.outputs.files }}
+        files-separator: " "
     - run: |
         # "Set base sha..."
         if [[ -n "${{ inputs.base_sha }}" ]]; then
@@ -134,7 +140,7 @@ runs:
         INPUT_SHA: ${{ inputs.sha }}
         INPUT_BASE_SHA: ${{ steps.base-sha.outputs.base_sha }}
         INPUT_TOKEN: ${{ inputs.token }}
-        INPUT_FILES: ${{ steps.source-input-files.outputs.files }}
+        INPUT_FILES: ${{ steps.glob.outputs.paths }}
         INPUT_SEPARATOR: ${{ inputs.separator }}
         INPUT_PATH: ${{ inputs.path }}
 
diff --git a/sourcefiles.sh b/sourcefiles.sh
index f7ba12a72bc..419b50411ff 100644
--- a/sourcefiles.sh
+++ b/sourcefiles.sh
@@ -4,22 +4,26 @@ set -e
 
 echo "::group::changed-files-from-source-file"
 
-IFS=" " read -r -a FILES <<< "$(echo "${INPUT_FILES[@]}" | sort -u | tr "\n" " ")"
+RAW_FILES=()
 
 if [[ -n $INPUT_FILES_FROM_SOURCE_FILE ]]; then
   for file in $INPUT_FILES_FROM_SOURCE_FILE
   do
     while read -r fileName; do
-      FILES+=("$fileName")
+      RAW_FILES+=("$fileName")
     done <"$file"
   done
 fi
 
-echo "Input Files: ${FILES[*]}"
+IFS=" " read -r -a CLEAN_FILES <<< "$(echo "${RAW_FILES[*]}" | tr "\r\n" "\n" | tr " " "\n" | sort -u | awk -v d=" " '{s=(NR==1?s:s d)$0}END{print s}')"
 
-IFS=" " read -r -a ALL_UNIQUE_FILES <<< "$(echo "${FILES[@]}" | tr " " "\n" | sort -u | tr "\n" " ")"
+IFS=" " read -r -a CLEAN_INPUT_FILES <<< "$(echo "${INPUT_FILES}" | tr "\r\n" "\n" | tr " " "\n" | sort -u | awk -v d=" " '{s=(NR==1?s:s d)$0}END{print s}')"
 
-echo "All Unique Input files: ${ALL_UNIQUE_FILES[*]}"
+FILES=("${CLEAN_FILES[@]}" "${CLEAN_INPUT_FILES[@]}")
+
+IFS=" " read -r -a ALL_UNIQUE_FILES <<< "$(echo "${FILES[@]}" | tr "\r\n" "\n" | tr " " "\n" | sort -u | awk -v d=" " '{s=(NR==1?s:s d)$0}END{print s}')"
+
+echo "Input files: ${ALL_UNIQUE_FILES[*]}"
 
 echo "::set-output name=files::${ALL_UNIQUE_FILES[*]}"
 
diff --git a/test/changed-files-list.txt b/test/changed-files-list.txt
index fc0f044b42e..7c69a60b331 100644
--- a/test/changed-files-list.txt
+++ b/test/changed-files-list.txt
@@ -2,3 +2,4 @@
 action.yml
 action.yml
 action.yml
+!*.txt