fixup! [Core] Use OpenAssetIO-MediaCreation

src/resolver.cpp

@@ -3,7 +3,6 @@
 
 #include "resolver.h"
 
-#include <regex>
 #include <sstream>
 #include <stdexcept>
 #include <thread>
@@ -39,6 +38,21 @@ PXR_NAMESPACE_CLOSE_SCOPE
 
 namespace {
 
+/*
+ * Replaces all occurrences of the search string in the subject with
+ * the supplied replacement.
+ */
+void replaceAllInString(std::string &subject, const std::string &search,
+                        const std::string &replace) {
+  const size_t searchLength = search.length();
+  const size_t replaceLength = replace.length();
+  size_t pos = 0;
+  while ((pos = subject.find(search, pos)) != std::string::npos) {
+    subject.replace(pos, searchLength, replace);
+    pos += replaceLength;
+  }
+}
+
 /*
  * OpenAssetIO LoggerInterface implementation
  *
@@ -124,8 +138,7 @@ std::string resolveToPath(const openassetio::hostApi::ManagerPtr &manager,
   }
 
   // TODO(tc): Decode % escape sequences properly
-  static const std::regex kEncodedSpace{"%20"};
-  url = std::regex_replace(url, kEncodedSpace, " ");
+  replaceAllInString(url, "%20", " ");
   return url.substr(kProtocolSize);
 }