$re = '/import(?:[\s*]([\w*{}\n\r\t, ]+)[\s*]from)?[\s*](?:["\'](.*[\w]+)["\'])?/';
$str = 'import {
Component
} from \'@angular2/core\';
import defaultMember from "$module-name";
import * as name from "module-name ";
import { member } from " module-name";
import { member as alias } from "module-name";
import { member1 , member2 } from "module-name";
import { member1 , member2 as alias2 , member3 as alias3 } from "module-name";
import defaultMember, { member, member } from "module-name";
import defaultMember, * as name from "module-name";
import "module-name";
import {
PlaneBufferGeometry,
OctahedronGeometry,
TorusBufferGeometry
} from \'../geometries/Geometries.js\'
<MenuItem value="^$" primaryText="Não exibir importados" />
<MenuItem value="\\\\w+" primaryText="Exibir importados" />
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php