$ sudo npm install xregexp
$ sudo npm install -g xregexp

If want to update the xregexp package execute the command as below,

$ sudo npm update xregexp

Update package globally,

$ npm install -g xregexp

Git clone:

$ sudo  git clone https://github.com/rektide/xregexp.git

$ sudo  npm install -g ./xregexp

xregexp@3.2.0 /usr/lib/node_modules/xregexp

How to remove xregexp package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall xregexp

Basic Information of xregexp NPM Package: