diff --git a/maintenance/searchFilters.php b/maintenance/searchFilters.php
new file mode 100644
index 000000000..2d59846c8
--- /dev/null
+++ b/maintenance/searchFilters.php
@@ -0,0 +1,67 @@
+<?php
+
+if ( getenv( 'MW_INSTALL_PATH' ) ) {
+	$IP = getenv( 'MW_INSTALL_PATH' );
+} else {
+	$IP = __DIR__ . '/../../..';
+}
+require_once "$IP/maintenance/Maintenance.php";
+
+class SearchFilters extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription( 'Find all filters matching a regular expression pattern' );
+		$this->addOption( 'pattern', 'Regular expression pattern', true, true );
+
+		$this->requireExtension( 'Abuse Filter' );
+	}
+
+	/**
+	 * @see Maintenance:execute()
+	 */
+	public function execute() {
+		global $wgConf, $wgDBtype;
+
+		if ( $wgDBtype !== 'mysql' ) {
+			$this->fatalError( 'This maintenance script only works with MySQL databases' );
+		}
+
+		$this->output( "wiki\tfilter\n" );
+		if ( $this->getOption( 'pattern' ) === '' ) {
+			$this->fatalError( 'Pattern cannot be empty' );
+		}
+
+		if ( count( $wgConf->wikis ) > 0 ) {
+			foreach ( $wgConf->wikis as $dbname ) {
+				$this->getMatchingFilters( $dbname );
+			}
+		} else {
+			$this->getMatchingFilters();
+		}
+	}
+
+	/**
+	 * @param string|false $dbname Name of database, or false if the wiki is not part of a wikifarm
+	 */
+	public function getMatchingFilters( $dbname = false ) {
+		$dbr = wfGetDB( DB_REPLICA, [], $dbname );
+		$pattern = $dbr->addQuotes( $this->getOption( 'pattern' ) );
+
+		if ( $dbr->tableExists( 'abuse_filter' ) ) {
+			$rows = $dbr->select(
+				'abuse_filter',
+				'DATABASE() AS dbname, af_id',
+				[
+					"af_pattern RLIKE $pattern"
+				]
+			);
+
+			foreach ( $rows as $row ) {
+				$this->output( $row->dbname . "\t" . $row->af_id . "\n" );
+			}
+		}
+	}
+}
+
+$maintClass = SearchFilters::class;
+require_once RUN_MAINTENANCE_IF_MAIN;