diff --git a/core/modules/views/src/Plugin/views/HandlerBase.php b/core/modules/views/src/Plugin/views/HandlerBase.php
index 8396c6b..d3f3ad4 100644
--- a/core/modules/views/src/Plugin/views/HandlerBase.php
+++ b/core/modules/views/src/Plugin/views/HandlerBase.php
@@ -707,12 +707,12 @@ public static function breakString($str, $force_int = FALSE) {
 
     // Determine if the string has 'or' operators (plus signs) or 'and'
     // operators (commas) and split the string accordingly.
-    if (preg_match('/^([\w0-9-_\.]+[+ ]+)+[\w0-9-_\.]+$/u', $str)) {
+    if (preg_match('/^([\w0-9-_\.\#\&\/]+[+ ]+)+[\w0-9-_\.\#\&\/]+$/u', $str)) {
       // The '+' character in a query string may be parsed as ' '.
       $operator = 'or';
       $value = preg_split('/[+ ]/', $str);
     }
-    elseif (preg_match('/^([\w0-9-_\.]+[, ]+)*[\w0-9-_\.]+$/u', $str)) {
+    elseif (preg_match('/^([\w0-9-_\.\#\&\/]+[, ]+)*[\w0-9-_\.\#\&\/]+$/u', $str)) {
       $operator = 'and';
       $value = explode(',', $str);
     }
diff --git a/core/modules/views/src/Tests/Handler/HandlerTest.php b/core/modules/views/src/Tests/Handler/HandlerTest.php
index e07beb3..263b802 100644
--- a/core/modules/views/src/Tests/Handler/HandlerTest.php
+++ b/core/modules/views/src/Tests/Handler/HandlerTest.php
@@ -103,6 +103,18 @@ public function testBreakString() {
     $handler = HandlerBase::breakString('wõrd1,wõrd2,wõrd');
     $this->assertEqualValue(['wõrd1', 'wõrd2', 'wõrd'], $handler);
     $this->assertEqual('and', $handler->operator);
+    $handler = HandlerBase::breakString('Law & Order,word,word');
+    $this->assertEqualValue(['Law & Order', 'word', 'word'], $handler);
+    $this->assertEqual('and', $handler->operator);
+    $handler = HandlerBase::breakString('word,Law & Order,word');
+    $this->assertEqualValue(['word','Law & Order', 'word'], $handler);
+    $this->assertEqual('and', $handler->operator);
+    $handler = HandlerBase::breakString('word,#Law&Order,word');
+    $this->assertEqualValue(['word','#Law&Order', 'word'], $handler);
+    $this->assertEqual('and', $handler->operator);
+    $handler = HandlerBase::breakString('word,word,Law/Order');
+    $this->assertEqualValue(['word','word', 'Law/Order'], $handler);
+    $this->assertEqual('and', $handler->operator);
 
     // Test a single word
     $handler = HandlerBase::breakString('word');