--- a
+++ b/src/string.cpp
@@ -0,0 +1,25 @@
+#include <Rcpp.h>
+using namespace Rcpp;
+
+// Function to replace a pattern in a string
+void replacePattern(std::string &str, const std::string &pattern, const std::string &replacement) {
+  size_t pos = 0;
+  while ((pos = str.find(pattern, pos)) != std::string::npos) {
+    str.replace(pos, pattern.length(), replacement);
+    pos += replacement.length();
+  }
+}
+
+// [[Rcpp::export]]
+Rcpp::CharacterVector replacePatternInRcppVectorWrapper(Rcpp::CharacterVector textVector, const std::string &pattern, const std::string &replacement) {
+  // replacePatternInRcppVector(textVector, pattern, replacement);
+
+  R_xlen_t n = textVector.size();
+  for (R_xlen_t i = 0; i < n; ++i) {
+    std::string str = Rcpp::as<std::string>(textVector[i]);
+    replacePattern(str, pattern, replacement);
+    textVector[i] = str;
+  }
+
+  return textVector;
+}