Remove PCRE dependency and replace with standard C++ regex #20
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Description:
This change removes the dependency on the Perl Compatible Regular Expression (PCRE) libraries (pcre-devel, pcre-cpp) and replaces PCRE-based usage with the standard C++ std::regex implementation.
Why this change:
Eliminates the need for external PCRE packages, simplifying build and deployment on modern Linux distributions (e.g., Rocky Linux, Amazon Linux).
Improves portability and reduces friction when building ODBC Loader in minimal or containerized environments.
Aligns with customer requests to remove PCRE as a build-time dependency.
What changed:
Replaced PCRE-based regular expression handling with std::regex.
Updated build logic to remove PCRE include paths and linker flags.
No functional change in regex behavior for supported patterns.
Impact / Compatibility:
No change to public APIs or loader behavior.
No runtime dependency on PCRE libraries.
Build output remains functionally equivalent.
Testing:
Built ODBC Loader without pcre-devel and pcre-cpp installed.
Verified loader functionality with existing test cases.