diff --git a/eng/common/pipelines/templates/archetype-typespec-emitter.yml b/eng/common/pipelines/templates/archetype-typespec-emitter.yml
index 443ac86a9f21..e06db1d77635 100644
--- a/eng/common/pipelines/templates/archetype-typespec-emitter.yml
+++ b/eng/common/pipelines/templates/archetype-typespec-emitter.yml
@@ -67,6 +67,11 @@ parameters:
   type: boolean
   default: false
 
+# Optional filter pattern for directory names (e.g., 'Azure.ResourceManager*' to only regenerate management SDKs)
+- name: DirectoryFilterPattern
+  type: string
+  default: ''
+
 # Paths to sparse checkout
 - name: SparseCheckoutPaths
   type: object
@@ -352,6 +357,7 @@ extends:
                 -JobCount ${{ parameters.RegenerationJobCount }}
                 -MinimumPerJob ${{ parameters.MinimumPerJob }}
                 -OnlyTypespec ${{ parameters.OnlyGenerateTypespec }}
+                -DirectoryFilterPattern '${{ parameters.DirectoryFilterPattern }}'
               workingDirectory: $(Build.SourcesDirectory)
 
           - template: /eng/common/pipelines/templates/steps/publish-1es-artifact.yml
diff --git a/eng/common/scripts/New-RegenerateMatrix.ps1 b/eng/common/scripts/New-RegenerateMatrix.ps1
index 9176c23e4f53..63d1f228e101 100644
--- a/eng/common/scripts/New-RegenerateMatrix.ps1
+++ b/eng/common/scripts/New-RegenerateMatrix.ps1
@@ -14,7 +14,12 @@ param (
   [int]$MinimumPerJob = 10,
 
   [Parameter()]
-  [string]$OnlyTypeSpec
+  [string]$OnlyTypeSpec,
+
+  # Optional comma-separated filter patterns applied to package directory names
+  # (e.g., 'Azure.ResourceManager*,Azure.Provisioning*')
+  [Parameter()]
+  [string]$DirectoryFilterPattern
 )
 
 . (Join-Path $PSScriptRoot common.ps1)
@@ -66,6 +71,23 @@ else {
   }
 }
 
+if ($DirectoryFilterPattern) {
+  $patterns = $DirectoryFilterPattern -split ',' | ForEach-Object { $_.Trim() } | Where-Object { $_ }
+  $directoriesForGeneration = @($directoriesForGeneration | Where-Object {
+    $name = $_.Name
+    $patterns | Where-Object { $name -like $_ }
+  })
+  Write-Host "Filtered directories to pattern(s) '$DirectoryFilterPattern': $($directoriesForGeneration.Count) matches"
+}
+else {
+  $directoriesForGeneration = @($directoriesForGeneration)
+}
+
+if ($directoriesForGeneration.Count -eq 0) {
+  Write-Error "No directories found for generation after applying filters. DirectoryFilterPattern='$DirectoryFilterPattern', OnlyTypeSpec='$OnlyTypespec'."
+  return
+}
+
 [array]$packageDirectories = $directoriesForGeneration
 | Sort-Object -Property FullName
 | ForEach-Object {