perl-regex

Perl regex engine for node.js

Binding Perl to enrich the regular expression from node.js, such as look behind assertion.

Requirements

• Perl 5 is needed.

Installation

npm install perl-regex

Examples

• Match using regular expression in string:

let pregex = require('perl-regex');
 
console.log(pregex.match('EMAIL: [e-mail]',
                         '^email: [a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\\.[a-zA-Z0-9-.]+$',
                         'i'));
 
// output:
// true

• Match using RegExp object:

let pregex = require('perl-regex');
 
console.log(pregex.match('EMAIL: [e-mail]',
                         /^email: [a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$/i));
 
// output:
// true

• Exec regular expression in string:

let pregex = require('perl-regex');
 
console.log(pregex.exec('Great responsibility comes with great power',
                        '(?<=great )\\w+',
                        'gi'));
 
// output:
// [ 'power', 'responsibility', 'power' ]

• Exec RegExp object:

let pregex = require('perl-regex');
 
console.log(pregex.exec('https://127.0.0.1:1314/index.html',
                        /(https?):\/\/(\d+\.\d+\.\d+\.\d+):(\d+)\/([a-zA-z.]+)/));
 
// output:
// [ 'https://127.0.0.1:1314/index.html',
//   'https',
//   '127.0.0.1',
//   '1314',
//   'index.html' ]