diff --git a/doc/src/string/op.dox b/doc/src/string/op.dox
index 561d45b..fd7a93d 100644
--- a/doc/src/string/op.dox
+++ b/doc/src/string/op.dox
@@ -37,7 +37,7 @@ yycc::string::op provide 2 functions for programmer do string replacement:
 
 \code
 void replace(std::u8string& strl, const std::u8string_view& from_strl, const std::u8string_view& to_strl);
-std::u8string replace(const std::u8string_view& strl, const std::u8string_view& from_strl, const std::u8string_view& to_strl);
+std::u8string to_replace(const std::u8string_view& strl, const std::u8string_view& from_strl, const std::u8string_view& to_strl);
 \endcode
 
 The first overload will do replacement in given string container directly.
diff --git a/src/yycc/string/op.cpp b/src/yycc/string/op.cpp
index ec192cf..9fda974 100644
--- a/src/yycc/string/op.cpp
+++ b/src/yycc/string/op.cpp
@@ -97,7 +97,7 @@ namespace yycc::string::op {
         }
     }
 
-    std::u8string replace(const std::u8string_view& _strl, const std::u8string_view& _from_strl, const std::u8string_view& _to_strl) {
+    std::u8string to_replace(const std::u8string_view& _strl, const std::u8string_view& _from_strl, const std::u8string_view& _to_strl) {
         // prepare result
         std::u8string strl(_strl);
         replace(strl, _from_strl, _to_strl);
diff --git a/src/yycc/string/op.hpp b/src/yycc/string/op.hpp
index 5ad1eef..da4b243 100644
--- a/src/yycc/string/op.hpp
+++ b/src/yycc/string/op.hpp
@@ -66,7 +66,7 @@ namespace yycc::string::op {
 	 * @param[in] _to_strl The \e new string.
 	 * @return The result of replacement.
 	*/
-    std::u8string replace(const std::u8string_view& _strl, const std::u8string_view& _from_strl, const std::u8string_view& _to_strl);
+    std::u8string to_replace(const std::u8string_view& _strl, const std::u8string_view& _from_strl, const std::u8string_view& _to_strl);
 
 #pragma endregion
 
diff --git a/test/yycc/string/op.cpp b/test/yycc/string/op.cpp
index 7bc2151..169c2da 100644
--- a/test/yycc/string/op.cpp
+++ b/test/yycc/string/op.cpp
@@ -25,32 +25,32 @@ namespace yycctest::string::op {
     TEST(StringOp, Replace) {
         // Normal case
         {
-            auto rv = OP::replace(u8"aabbcc", u8"bb", u8"dd");
+            auto rv = OP::to_replace(u8"aabbcc", u8"bb", u8"dd");
             EXPECT_EQ(rv, u8"aaddcc");
         }
         // No matched expected string
         {
-            auto rv = OP::replace(u8"aabbcc", u8"zz", u8"yy");
+            auto rv = OP::to_replace(u8"aabbcc", u8"zz", u8"yy");
             EXPECT_EQ(rv, u8"aabbcc");
         }
         // Empty expected string
         {
-            auto rv = OP::replace(u8"aabbcc", std::u8string_view(), u8"zz");
+            auto rv = OP::to_replace(u8"aabbcc", std::u8string_view(), u8"zz");
             EXPECT_EQ(rv, u8"aabbcc");
         }
         // Empty replace string
         {
-            auto rv = OP::replace(u8"aaaabbaa", u8"aa", u8"");
+            auto rv = OP::to_replace(u8"aaaabbaa", u8"aa", u8"");
             EXPECT_EQ(rv, u8"bb");
         }
         // Nested replacing
         {
-            auto rv = OP::replace(u8"aaxcc", u8"x", u8"yx");
+            auto rv = OP::to_replace(u8"aaxcc", u8"x", u8"yx");
             EXPECT_EQ(rv, u8"aayxcc");
         }
         // Empty source string
         {
-            auto rv = OP::replace(std::u8string_view(), u8"", u8"xy");
+            auto rv = OP::to_replace(std::u8string_view(), u8"", u8"xy");
             EXPECT_EQ(rv, u8"");
         }
     }