Add docs for PcreRegex::get, flags, offset param and tests
Add docs for PcreRegex::getAll, flags, offset param and tests
Add docs for PcreRegex::replace, limit param and tests
Add PHPMD and PHPCS as dev dependencies
Add docs for PcreRegex::replaceCallback, limit param and tests
Add docs for PcreRegex::split, limit and flags param and tests
remove forgotten var_dump replace
Replace dataProvider fixed
Refactor tests to be more maintainable