Information for installing this PECL extension may be found in the manual chapter titled Installation of PECL extensions. Additional information such as new releases, downloads, source files, maintainer information, and a CHANGELOG, can be located here: » https://pecl.php.net/package/regex.
Do not change the TYPE unless you know what you are doing.
To enable regexp support configure PHP --with-regex[=TYPE] . TYPE can be one of system, apache, php. The default value is php.
The Windows version of PHP has built-in support for this extension. You do not need to load any additional extensions in order to use these functions.