diff --git a/src/lint/linter/ArcanistScriptAndRegexLinter.php b/src/lint/linter/ArcanistScriptAndRegexLinter.php
--- a/src/lint/linter/ArcanistScriptAndRegexLinter.php
+++ b/src/lint/linter/ArcanistScriptAndRegexLinter.php
@@ -155,6 +155,8 @@
  */
 final class ArcanistScriptAndRegexLinter extends ArcanistLinter {
 
+  private $script = null;
+  private $regex = null;
   private $output = array();
 
   public function getInfoName() {
@@ -285,6 +287,34 @@
     return 'script-and-regex';
   }
 
+  public function getLinterConfigurationOptions() {
+    // These fields are optional only to avoid breaking things.
+    $options = array(
+      'script' => array(
+        'type' => 'optional string',
+        'help' => pht('Script to execute.'),
+      ),
+      'regex' => array(
+        'type' => 'optional regex',
+        'help' => pht('The regex to process output with.'),
+      ),
+    );
+
+    return $options + parent::getLinterConfigurationOptions();
+  }
+
+  public function setLinterConfigurationValue($key, $value) {
+    switch ($key) {
+      case 'script':
+        $this->script = $value;
+        return;
+      case 'regex':
+        $this->regex = $value;
+        return;
+    }
+
+    return parent::setLinterConfigurationValue($key, $value);
+  }
 
 /* -(  Parsing Output  )----------------------------------------------------- */
 
@@ -353,15 +383,17 @@
    * @task config
    */
   private function getConfiguredScript() {
+    if (strlen($this->script)) {
+      return $this->script;
+    }
+
     $key = 'linter.scriptandregex.script';
     $config = $this->getEngine()
       ->getConfigurationManager()
       ->getConfigFromAnySource($key);
 
     if (!$config) {
-      throw new ArcanistUsageException(
-        "ArcanistScriptAndRegexLinter: ".
-        "You must configure '{$key}' to point to a script to execute.");
+      throw new ArcanistUsageException('Parameter missing: script');
     }
 
     // NOTE: No additional validation since the "script" can be some random
@@ -379,15 +411,16 @@
    * @task config
    */
   private function getConfiguredRegex() {
+    if (strlen($this->regex))
+      return $this->regex;
+
     $key = 'linter.scriptandregex.regex';
     $config = $this->getEngine()
       ->getConfigurationManager()
       ->getConfigFromAnySource($key);
 
     if (!$config) {
-      throw new ArcanistUsageException(
-        "ArcanistScriptAndRegexLinter: ".
-        "You must configure '{$key}' with a valid PHP PCRE regex.");
+      throw new ArcanistUsageException('Parameter missing: regex');
     }
 
     // NOTE: preg_match() returns 0 for no matches and false for compile error;