fixes #634

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to the solarium library will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [4.2.1]
+### Fixed
+- Support for add-distinct and removeregex modifiers in Document::setFieldModifier
+
+
 ## [4.2.0]
 ### Fixed
 - If a term contains a space, the space needs to be quoted by Helper::escapeTerm()

src/QueryType/Update/Query/Document/Document.php

@@ -383,7 +383,7 @@ public function setKey($key, $value = null)
      */
     public function setFieldModifier($key, $modifier = null)
     {
-        if (!in_array($modifier, [self::MODIFIER_ADD, self::MODIFIER_ADD_DISTINCT, self::MODIFIER_REMOVE, self::MODIFIER_INC, self::MODIFIER_SET], true)) {
+        if (!in_array($modifier, [self::MODIFIER_ADD, self::MODIFIER_ADD_DISTINCT, self::MODIFIER_REMOVE, self::MODIFIER_REMOVEREGEX, self::MODIFIER_INC, self::MODIFIER_SET], true)) {
             throw new RuntimeException('Attempt to set an atomic update modifier that is not supported');
         }
         $this->modifiers[$key] = $modifier;