diff --git a/grammar.js b/grammar.js
index 69d0a1d4..fef5688f 100644
--- a/grammar.js
+++ b/grammar.js
@@ -30,10 +30,11 @@ module.exports = grammar({
       'binary_exp',
       'binary_times',
       'binary_plus',
+      'unary_other',
+      'binary_other',
       'binary_in',
       'binary_compare',
       'binary_relation',
-      'binary_concat',
       'pattern_matching',
       'between',
       'clause_connective',
@@ -3001,6 +3002,52 @@ module.exports = grammar({
       )
     ),
 
+    op_other: $ => token(
+      choice(
+        '->',
+        '->>',
+        '#>',
+        '#>>',
+        '~',
+        '!~',
+        '~*',
+        '!~*',
+        '|',
+        '&',
+        '#',
+        '<<',
+        '>>',
+        '<<=',
+        '>>=',
+        '##',
+        '<->',
+        '@>',
+        '<@',
+        '&<',
+        '&>',
+        '|>>',
+        '<<|',
+        '&<|',
+        '|&>',
+        '<^',
+        '^>',
+        '?#',
+        '?-',
+        '?|',
+        '?-|',
+        '?||',
+        '@@',
+        '@@@',
+        '@?',
+        '#-',
+        '?&',
+        '?',
+        '-|-',
+        '||',
+        '^@',
+      ),
+    ),
+
     binary_expression: $ => choice(
       ...[
         ['+', 'binary_plus'],
@@ -3009,7 +3056,6 @@ module.exports = grammar({
         ['/', 'binary_times'],
         ['%', 'binary_times'],
         ['^', 'binary_exp'],
-        ['||', 'binary_concat'],
         ['=', 'binary_relation'],
         ['<', 'binary_relation'],
         ['<=', 'binary_relation'],
@@ -3017,10 +3063,7 @@ module.exports = grammar({
         ['>=', 'binary_relation'],
         ['>', 'binary_relation'],
         ['<>', 'binary_relation'],
-        ['->', 'binary_relation'],
-        ['->>', 'binary_relation'],
-        ['#>', 'binary_relation'],
-        ['#>>', 'binary_relation'],
+        [$.op_other, 'binary_other'],
         [$.keyword_is, 'binary_is'],
         [$.is_not, 'binary_is'],
         [$.keyword_like, 'pattern_matching'],
@@ -3060,6 +3103,21 @@ module.exports = grammar({
       ),
     ),
 
+    op_unary_other: $ => token(
+      choice(
+        '|/',
+        '||/',
+        '@',
+        '~',
+        '@-@',
+        '@@',
+        '#',
+        '?-',
+        '?|',
+        '!!',
+      ),
+    ),
+
     unary_expression: $ => choice(
       ...[
         [$.keyword_not, 'unary_not'],
@@ -3067,6 +3125,7 @@ module.exports = grammar({
         [$.keyword_any, 'unary_not'],
         [$.keyword_some, 'unary_not'],
         [$.keyword_all, 'unary_not'],
+        [$.op_unary_other, 'unary_other'],
       ].map(([operator, precedence]) =>
         prec.left(precedence, seq(
           field('operator', operator),
diff --git a/queries/highlights.scm b/queries/highlights.scm
index 22d11839..ab0caf5b 100644
--- a/queries/highlights.scm
+++ b/queries/highlights.scm
@@ -401,10 +401,8 @@
   ">="
   ">"
   "<>"
-  "->"
-  "->>"
-  "#>"
-  "#>>"
+  (op_other)
+  (op_unary_other)
 ] @operator
 
 [
diff --git a/test/corpus/expressions.txt b/test/corpus/expressions.txt
index ce2e2ae2..a6e34c1e 100644
--- a/test/corpus/expressions.txt
+++ b/test/corpus/expressions.txt
@@ -588,3 +588,52 @@ WHERE
           left: (field
             name: (identifier))
           right: (literal))))))
+
+================================================================================
+string operator concat and start with
+================================================================================
+
+SELECT 'abc' ^@ 'a' || 'z';
+
+--------------------------------------------------------------------------------
+
+(program
+  (statement
+    (select
+      (keyword_select)
+      (select_expression
+        (term
+          (binary_expression
+            (binary_expression
+              (literal)
+              (op_other)
+              (literal))
+            (op_other)
+            (literal)))))))
+
+================================================================================
+full text search operators
+================================================================================
+
+SELECT 'fat cats ate rats' @@ !! ('cat' <-> 'rat'::tsquery);
+
+--------------------------------------------------------------------------------
+
+(program
+  (statement
+    (select
+      (keyword_select)
+      (select_expression
+        (term
+          (binary_expression
+            (literal)
+            (op_other)
+            (unary_expression
+                  (op_unary_other)
+                  (cast
+                    (binary_expression
+                      (literal)
+                      (op_other)
+                      (literal))
+                    (object_reference
+                      (identifier))))))))))
diff --git a/test/corpus/json.txt b/test/corpus/json.txt
index 522b2cf7..b819a217 100644
--- a/test/corpus/json.txt
+++ b/test/corpus/json.txt
@@ -20,6 +20,7 @@ FROM users;
         (term
           value: (binary_expression
             left: (literal)
+            operator: (op_other)
             right: (literal))
           (keyword_as)
           alias: (identifier))
@@ -27,23 +28,29 @@ FROM users;
           value: (binary_expression
             left: (binary_expression
               left: (literal)
+              operator: (op_other)
               right: (literal))
+            operator: (op_other)
             right: (literal)))
         (term
           value: (binary_expression
             left: (binary_expression
               left: (literal)
+              operator: (op_other)
               right: (literal))
+            operator: (op_other)
             right: (literal))
           (keyword_as)
           alias: (identifier))
         (term
           value: (binary_expression
             left: (literal)
+            operator: (op_other)
             right: (literal)))
         (term
           value: (binary_expression
             left: (literal)
+            operator: (op_other)
             right: (literal))
           (keyword_as)
           alias: (identifier))))
diff --git a/test/corpus/select.txt b/test/corpus/select.txt
index ba37484c..6f98ad10 100644
--- a/test/corpus/select.txt
+++ b/test/corpus/select.txt
@@ -2081,7 +2081,9 @@ SELECT id || '-' || name FROM my_table;
             left: (binary_expression
               left: (field
                 name: (identifier))
+              operator: (op_other)
               right: (literal))
+            operator: (op_other)
             right: (field
               name: (identifier))))))
     (from