diff --git a/include/nlohmann/detail/json_pointer.hpp b/include/nlohmann/detail/json_pointer.hpp
index 5b7632676..28de45028 100644
--- a/include/nlohmann/detail/json_pointer.hpp
+++ b/include/nlohmann/detail/json_pointer.hpp
@@ -846,55 +846,118 @@ class json_pointer
         return result;
     }
 
-    /*!
-    @brief compares two JSON pointers for equality
+  public:
+#ifdef JSON_HAS_CPP_20
+    /// @brief compares two JSON pointers for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    template<typename RefStringTypeRhs>
+    bool operator==(const json_pointer<RefStringTypeRhs>& rhs) const noexcept
+    {
+        return reference_tokens == rhs.reference_tokens;
+    }
 
-    @param[in] lhs  JSON pointer to compare
-    @param[in] rhs  JSON pointer to compare
-    @return whether @a lhs is equal to @a rhs
-
-    @complexity Linear in the length of the JSON pointer
-
-    @exceptionsafety No-throw guarantee: this function never throws exceptions.
-    */
+    /// @brief compares JSON pointer and string for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    bool operator==(const string_t& rhs) const
+    {
+        return *this == json_pointer(rhs);
+    }
+#else
+    /// @brief compares two JSON pointers for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
     template<typename RefStringTypeLhs, typename RefStringTypeRhs>
     // NOLINTNEXTLINE(readability-redundant-declaration)
-    friend bool operator==(json_pointer<RefStringTypeLhs> const& lhs,
-                           json_pointer<RefStringTypeRhs> const& rhs) noexcept;
+    friend bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs) noexcept;
 
-    /*!
-    @brief compares two JSON pointers for inequality
+    /// @brief compares JSON pointer and string for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    template<typename RefStringTypeLhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                           const StringType& rhs);
 
-    @param[in] lhs  JSON pointer to compare
-    @param[in] rhs  JSON pointer to compare
-    @return whether @a lhs is not equal @a rhs
+    /// @brief compares string and JSON pointer for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    template<typename RefStringTypeRhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator==(const StringType& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs);
 
-    @complexity Linear in the length of the JSON pointer
-
-    @exceptionsafety No-throw guarantee: this function never throws exceptions.
-    */
+    /// @brief compares two JSON pointers for inequality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_ne/
     template<typename RefStringTypeLhs, typename RefStringTypeRhs>
     // NOLINTNEXTLINE(readability-redundant-declaration)
-    friend bool operator!=(json_pointer<RefStringTypeLhs> const& lhs,
-                           json_pointer<RefStringTypeRhs> const& rhs) noexcept;
+    friend bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs) noexcept;
 
+    /// @brief compares JSON pointer and string for inequality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_ne/
+    template<typename RefStringTypeLhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                           const StringType& rhs);
+
+    /// @brief compares string and JSON pointer for inequality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_ne/
+    template<typename RefStringTypeRhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator!=(const StringType& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs);
+#endif
+
+  private:
     /// the reference tokens
     std::vector<string_t> reference_tokens;
 };
 
+#ifndef JSON_HAS_CPP_20
 // functions cannot be defined inside class due to ODR violations
 template<typename RefStringTypeLhs, typename RefStringTypeRhs>
-inline bool operator==(json_pointer<RefStringTypeLhs> const& lhs,
-                       json_pointer<RefStringTypeRhs> const& rhs) noexcept
+inline bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs) noexcept
 {
     return lhs.reference_tokens == rhs.reference_tokens;
 }
 
+template<typename RefStringTypeLhs,
+         typename StringType = typename json_pointer<RefStringTypeLhs>::string_t>
+inline bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                       const StringType& rhs)
+{
+    return lhs == json_pointer<RefStringTypeLhs>(rhs);
+}
+
+template<typename RefStringTypeRhs,
+         typename StringType = typename json_pointer<RefStringTypeRhs>::string_t>
+inline bool operator==(const StringType& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs)
+{
+    return json_pointer<RefStringTypeRhs>(lhs) == rhs;
+}
+
 template<typename RefStringTypeLhs, typename RefStringTypeRhs>
-inline bool operator!=(json_pointer<RefStringTypeLhs> const& lhs,
-                       json_pointer<RefStringTypeRhs> const& rhs) noexcept
+inline bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs) noexcept
 {
     return !(lhs == rhs);
 }
 
+template<typename RefStringTypeLhs,
+         typename StringType = typename json_pointer<RefStringTypeLhs>::string_t>
+inline bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                       const StringType& rhs)
+{
+    return !(lhs == rhs);
+}
+
+template<typename RefStringTypeRhs,
+         typename StringType = typename json_pointer<RefStringTypeRhs>::string_t>
+inline bool operator!=(const StringType& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs)
+{
+    return !(lhs == rhs);
+}
+#endif
+
 NLOHMANN_JSON_NAMESPACE_END
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 4d86493e1..beee0136c 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -3373,7 +3373,7 @@ NLOHMANN_JSON_NAMESPACE_END
 
     /// @brief JSON Pointer defines a string syntax for identifying a specific value within a JSON document
     /// @sa https://json.nlohmann.me/api/json_pointer/
-    template<typename BasicJsonType>
+    template<typename RefStringType>
     class json_pointer;
 
     /*!
@@ -14448,57 +14448,120 @@ class json_pointer
         return result;
     }
 
-    /*!
-    @brief compares two JSON pointers for equality
+  public:
+#ifdef JSON_HAS_CPP_20
+    /// @brief compares two JSON pointers for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    template<typename RefStringTypeRhs>
+    bool operator==(const json_pointer<RefStringTypeRhs>& rhs) const noexcept
+    {
+        return reference_tokens == rhs.reference_tokens;
+    }
 
-    @param[in] lhs  JSON pointer to compare
-    @param[in] rhs  JSON pointer to compare
-    @return whether @a lhs is equal to @a rhs
-
-    @complexity Linear in the length of the JSON pointer
-
-    @exceptionsafety No-throw guarantee: this function never throws exceptions.
-    */
+    /// @brief compares JSON pointer and string for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    bool operator==(const string_t& rhs) const
+    {
+        return *this == json_pointer(rhs);
+    }
+#else
+    /// @brief compares two JSON pointers for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
     template<typename RefStringTypeLhs, typename RefStringTypeRhs>
     // NOLINTNEXTLINE(readability-redundant-declaration)
-    friend bool operator==(json_pointer<RefStringTypeLhs> const& lhs,
-                           json_pointer<RefStringTypeRhs> const& rhs) noexcept;
+    friend bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs) noexcept;
 
-    /*!
-    @brief compares two JSON pointers for inequality
+    /// @brief compares JSON pointer and string for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    template<typename RefStringTypeLhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                           const StringType& rhs);
 
-    @param[in] lhs  JSON pointer to compare
-    @param[in] rhs  JSON pointer to compare
-    @return whether @a lhs is not equal @a rhs
+    /// @brief compares string and JSON pointer for equality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_eq/
+    template<typename RefStringTypeRhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator==(const StringType& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs);
 
-    @complexity Linear in the length of the JSON pointer
-
-    @exceptionsafety No-throw guarantee: this function never throws exceptions.
-    */
+    /// @brief compares two JSON pointers for inequality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_ne/
     template<typename RefStringTypeLhs, typename RefStringTypeRhs>
     // NOLINTNEXTLINE(readability-redundant-declaration)
-    friend bool operator!=(json_pointer<RefStringTypeLhs> const& lhs,
-                           json_pointer<RefStringTypeRhs> const& rhs) noexcept;
+    friend bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs) noexcept;
 
+    /// @brief compares JSON pointer and string for inequality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_ne/
+    template<typename RefStringTypeLhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                           const StringType& rhs);
+
+    /// @brief compares string and JSON pointer for inequality
+    /// @sa https://json.nlohmann.me/api/json_pointer/operator_ne/
+    template<typename RefStringTypeRhs, typename StringType>
+    // NOLINTNEXTLINE(readability-redundant-declaration)
+    friend bool operator!=(const StringType& lhs,
+                           const json_pointer<RefStringTypeRhs>& rhs);
+#endif
+
+  private:
     /// the reference tokens
     std::vector<string_t> reference_tokens;
 };
 
+#ifndef JSON_HAS_CPP_20
 // functions cannot be defined inside class due to ODR violations
 template<typename RefStringTypeLhs, typename RefStringTypeRhs>
-inline bool operator==(json_pointer<RefStringTypeLhs> const& lhs,
-                       json_pointer<RefStringTypeRhs> const& rhs) noexcept
+inline bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs) noexcept
 {
     return lhs.reference_tokens == rhs.reference_tokens;
 }
 
+template<typename RefStringTypeLhs,
+         typename StringType = typename json_pointer<RefStringTypeLhs>::string_t>
+inline bool operator==(const json_pointer<RefStringTypeLhs>& lhs,
+                       const StringType& rhs)
+{
+    return lhs == json_pointer<RefStringTypeLhs>(rhs);
+}
+
+template<typename RefStringTypeRhs,
+         typename StringType = typename json_pointer<RefStringTypeRhs>::string_t>
+inline bool operator==(const StringType& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs)
+{
+    return json_pointer<RefStringTypeRhs>(lhs) == rhs;
+}
+
 template<typename RefStringTypeLhs, typename RefStringTypeRhs>
-inline bool operator!=(json_pointer<RefStringTypeLhs> const& lhs,
-                       json_pointer<RefStringTypeRhs> const& rhs) noexcept
+inline bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs) noexcept
 {
     return !(lhs == rhs);
 }
 
+template<typename RefStringTypeLhs,
+         typename StringType = typename json_pointer<RefStringTypeLhs>::string_t>
+inline bool operator!=(const json_pointer<RefStringTypeLhs>& lhs,
+                       const StringType& rhs)
+{
+    return !(lhs == rhs);
+}
+
+template<typename RefStringTypeRhs,
+         typename StringType = typename json_pointer<RefStringTypeRhs>::string_t>
+inline bool operator!=(const StringType& lhs,
+                       const json_pointer<RefStringTypeRhs>& rhs)
+{
+    return !(lhs == rhs);
+}
+#endif
+
 NLOHMANN_JSON_NAMESPACE_END
 
 // #include <nlohmann/detail/json_ref.hpp>