Boost.Regex std::regex C++ regex regular expressions regex performance string manipulation

regex performance tuning Perl optimization regex efficiency memory usage backtracking issues

regular expressions Perl regex best practices regex pitfalls regex performance

regex performance tuning Perl regex optimization regex efficiency performance optimization

Perl regex regex optimization regex best practices regex performance regex patterns

Keywords: regex performance regex memory usage regex engine internals regex backtracking PCRE optimization

perl regex modifiers regex best practices regex performance case insensitive regex multiline regex

non-capturing groups regex performance memory usage regular expressions pattern matching

Perl regex performance tuning regex optimization performance improvement code readability

alternatives atomic groups possessive quantifiers Perl regex performance non-capturing groups lazy quantifiers

Performance Backtracking Perl Optimization Regex Performance Pattern Matching