diff --git a/components/core/src/clp/Grep.cpp b/components/core/src/clp/Grep.cpp
index d507ed55e..bcb19ec43 100644
--- a/components/core/src/clp/Grep.cpp
+++ b/components/core/src/clp/Grep.cpp
@@ -965,7 +965,7 @@ set<QueryInterpretation> Grep::generate_query_substring_interpretations(
                 continue;
             }
             auto possible_substr_types = get_possible_substr_types(
-                    WildcardExpressionView(processed_search_string, begin_idx, end_idx),
+                    WildcardExpressionView{processed_search_string, begin_idx, end_idx},
                     lexer
             );
             if (possible_substr_types.empty()) {
diff --git a/components/core/src/clp/WildcardExpression.cpp b/components/core/src/clp/WildcardExpression.cpp
index 56454a576..4ed9d27bc 100644
--- a/components/core/src/clp/WildcardExpression.cpp
+++ b/components/core/src/clp/WildcardExpression.cpp
@@ -1,7 +1,7 @@
 #include "WildcardExpression.hpp"
 
 #include <algorithm>
-#include <cstdint>
+#include <cstddef>
 #include <string>
 #include <utility>
 
@@ -55,8 +55,8 @@ WildcardExpression::WildcardExpression(std::string processed_search_string)
 
 WildcardExpressionView::WildcardExpressionView(
         WildcardExpression const& wildcard_expression,
-        uint32_t const begin_idx,
-        uint32_t const end_idx
+        size_t const begin_idx,
+        size_t const end_idx
 )
         : m_search_string_ptr{&wildcard_expression},
           m_begin_idx{begin_idx},
diff --git a/components/core/src/clp/WildcardExpression.hpp b/components/core/src/clp/WildcardExpression.hpp
index 740569c37..a6df9bb40 100644
--- a/components/core/src/clp/WildcardExpression.hpp
+++ b/components/core/src/clp/WildcardExpression.hpp
@@ -1,7 +1,7 @@
 #ifndef CLP_WILDCARDEXPRESSION_HPP
 #define CLP_WILDCARDEXPRESSION_HPP
 
-#include <cstdint>
+#include <cstddef>
 #include <string>
 #include <vector>
 
@@ -19,26 +19,25 @@ class WildcardExpression {
 public:
     explicit WildcardExpression(std::string processed_search_string);
 
-    [[nodiscard]] auto
-    substr(uint32_t const begin_idx, uint32_t const length) const -> std::string {
+    [[nodiscard]] auto substr(size_t const begin_idx, size_t const length) const -> std::string {
         return m_processed_search_string.substr(begin_idx, length);
     }
 
-    [[nodiscard]] auto length() const -> uint32_t { return m_processed_search_string.size(); }
+    [[nodiscard]] auto length() const -> size_t { return m_processed_search_string.size(); }
 
-    [[nodiscard]] auto get_value_is_greedy_wildcard(uint32_t const idx) const -> bool {
+    [[nodiscard]] auto get_value_is_greedy_wildcard(size_t const idx) const -> bool {
         return m_is_greedy_wildcard[idx];
     }
 
-    [[nodiscard]] auto get_value_is_non_greedy_wildcard(uint32_t const idx) const -> bool {
+    [[nodiscard]] auto get_value_is_non_greedy_wildcard(size_t const idx) const -> bool {
         return m_is_non_greedy_wildcard[idx];
     }
 
-    [[nodiscard]] auto get_value_is_escape(uint32_t const idx) const -> bool {
+    [[nodiscard]] auto get_value_is_escape(size_t const idx) const -> bool {
         return m_is_escape[idx];
     }
 
-    [[nodiscard]] auto get_value(uint32_t const idx) const -> char {
+    [[nodiscard]] auto get_value(size_t const idx) const -> char {
         return m_processed_search_string[idx];
     }
 
@@ -64,8 +63,8 @@ class WildcardExpressionView {
      */
     WildcardExpressionView(
             WildcardExpression const& wildcard_expression,
-            uint32_t begin_idx,
-            uint32_t end_idx
+            size_t begin_idx,
+            size_t end_idx
     );
 
     /**
@@ -95,21 +94,21 @@ class WildcardExpressionView {
     [[nodiscard]] auto surrounded_by_delims_or_wildcards(log_surgeon::lexers::ByteLexer const& lexer
     ) const -> bool;
 
-    [[nodiscard]] auto length() const -> uint32_t { return m_end_idx - m_begin_idx; }
+    [[nodiscard]] auto length() const -> size_t { return m_end_idx - m_begin_idx; }
 
-    [[nodiscard]] auto get_value_is_greedy_wildcard(uint32_t const idx) const -> bool {
+    [[nodiscard]] auto get_value_is_greedy_wildcard(size_t const idx) const -> bool {
         return m_search_string_ptr->get_value_is_greedy_wildcard(m_begin_idx + idx);
     }
 
-    [[nodiscard]] auto get_value_is_non_greedy_wildcard(uint32_t const idx) const -> bool {
+    [[nodiscard]] auto get_value_is_non_greedy_wildcard(size_t const idx) const -> bool {
         return m_search_string_ptr->get_value_is_non_greedy_wildcard(m_begin_idx + idx);
     }
 
-    [[nodiscard]] auto get_value_is_escape(uint32_t const idx) const -> bool {
+    [[nodiscard]] auto get_value_is_escape(size_t const idx) const -> bool {
         return m_search_string_ptr->get_value_is_escape(m_begin_idx + idx);
     }
 
-    [[nodiscard]] auto get_value(uint32_t const idx) const -> char {
+    [[nodiscard]] auto get_value(size_t const idx) const -> char {
         return m_search_string_ptr->get_value(m_begin_idx + idx);
     }
 
@@ -119,8 +118,8 @@ class WildcardExpressionView {
 
 private:
     WildcardExpression const* m_search_string_ptr;
-    uint32_t m_begin_idx;
-    uint32_t m_end_idx;
+    size_t m_begin_idx;
+    size_t m_end_idx;
 };
 }  // namespace clp
 
diff --git a/components/core/tests/test-Grep.cpp b/components/core/tests/test-Grep.cpp
index e603bd45a..083e4fce8 100644
--- a/components/core/tests/test-Grep.cpp
+++ b/components/core/tests/test-Grep.cpp
@@ -136,35 +136,41 @@ TEST_CASE("SearchString", "[SearchString][schema_search]") {
     }
 
     SECTION("surrounded_by_delims_or_wildcards and starts_or_ends_with_greedy_wildcard") {
-        auto search_string_view1 = WildcardExpressionView(search_string, 0, search_string.length());
+        auto search_string_view1 = WildcardExpressionView{search_string, 0, search_string.length()};
         REQUIRE(search_string_view1.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(search_string_view1.starts_or_ends_with_greedy_wildcard());
-        auto search_string_view2 = WildcardExpressionView(search_string, 1, search_string.length());
+        auto search_string_view2 = WildcardExpressionView{search_string, 1, search_string.length()};
         REQUIRE(search_string_view2.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(search_string_view2.starts_or_ends_with_greedy_wildcard());
-        auto search_string_view3 = WildcardExpressionView(search_string, 0, search_string.length() - 1);
+        auto search_string_view3
+                = WildcardExpressionView{search_string, 0, search_string.length() - 1};
         REQUIRE(search_string_view3.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(search_string_view3.starts_or_ends_with_greedy_wildcard());
-        auto search_string_view4 = WildcardExpressionView(search_string, 2, search_string.length() - 2);
+        auto search_string_view4
+                = WildcardExpressionView{search_string, 2, search_string.length() - 2};
         REQUIRE(search_string_view4.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(false == search_string_view4.starts_or_ends_with_greedy_wildcard());
-        auto search_string_view5 = WildcardExpressionView(search_string, 3, search_string.length() - 3);
+        auto search_string_view5
+                = WildcardExpressionView{search_string, 3, search_string.length() - 3};
         REQUIRE(false == search_string_view5.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(false == search_string_view5.starts_or_ends_with_greedy_wildcard());
-        auto search_string_view6 = WildcardExpressionView(search_string, 1, search_string.length() - 1);
+        auto search_string_view6
+                = WildcardExpressionView{search_string, 1, search_string.length() - 1};
         REQUIRE(search_string_view6.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(false == search_string_view6.starts_or_ends_with_greedy_wildcard());
     }
 
     SECTION("extend_to_adjacent_greedy_wildcards") {
-        auto search_string_view = WildcardExpressionView(search_string, 1, search_string.length() - 1);
+        auto search_string_view
+                = WildcardExpressionView{search_string, 1, search_string.length() - 1};
         REQUIRE(8 == search_string_view.length());
         auto extended_search_string_view = search_string_view.extend_to_adjacent_greedy_wildcards();
         REQUIRE(extended_search_string_view.surrounded_by_delims_or_wildcards(lexer));
         REQUIRE(10 == extended_search_string_view.length());
         REQUIRE(extended_search_string_view.get_substr_copy() == "* test\\* *");
 
-        auto search_string_view2 = WildcardExpressionView(search_string, 2, search_string.length() - 2);
+        auto search_string_view2
+                = WildcardExpressionView{search_string, 2, search_string.length() - 2};
         REQUIRE(6 == search_string_view2.length());
         auto extended_search_string_view2
                 = search_string_view2.extend_to_adjacent_greedy_wildcards();
@@ -174,7 +180,7 @@ TEST_CASE("SearchString", "[SearchString][schema_search]") {
     }
 
     SECTION("getters") {
-        auto search_string_view = WildcardExpressionView(search_string, 2, search_string.length());
+        auto search_string_view = WildcardExpressionView{search_string, 2, search_string.length()};
         REQUIRE(false == search_string_view.is_greedy_wildcard());
         REQUIRE(false == search_string_view.is_non_greedy_wildcard());
         REQUIRE('t' == search_string_view.get_value(0));
@@ -196,7 +202,7 @@ TEST_CASE("SearchString", "[SearchString][schema_search]") {
     }
 
     SECTION("Greedy Wildcard") {
-        auto search_string_view = WildcardExpressionView(search_string, 0, 1);
+        auto search_string_view = WildcardExpressionView{search_string, 0, 1};
         REQUIRE(search_string_view.is_greedy_wildcard());
         REQUIRE(false == search_string_view.is_non_greedy_wildcard());
     }
@@ -213,7 +219,7 @@ TEST_CASE("get_substring_variable_types", "[get_substring_variable_types][schema
         for (uint32_t end_idx = 1; end_idx <= search_string.length(); end_idx++) {
             for (uint32_t begin_idx = 0; begin_idx < end_idx; begin_idx++) {
                 auto [variable_types, contains_wildcard] = Grep::get_substring_variable_types(
-                        WildcardExpressionView(search_string, begin_idx, end_idx),
+                        WildcardExpressionView{search_string, begin_idx, end_idx},
                         lexer
                 );
                 std::set<uint32_t> expected_variable_types;
@@ -263,7 +269,7 @@ TEST_CASE("get_possible_substr_types", "[get_possible_substr_types][schema_searc
         for (uint32_t end_idx = 1; end_idx <= search_string.length(); end_idx++) {
             for (uint32_t begin_idx = 0; begin_idx < end_idx; begin_idx++) {
                 auto query_logtypes = Grep::get_possible_substr_types(
-                        WildcardExpressionView(search_string, begin_idx, end_idx),
+                        WildcardExpressionView{search_string, begin_idx, end_idx},
                         lexer
                 );
                 vector<QueryInterpretation> expected_result(0);