$re = '/(?<!(?:\/\/|\*).*)((?:export|import)[\s\w*,{}]*(?=\sfrom)|export\b\s*(?:[*{]|\w\s?.+)|await import|import\.meta\.(?:env(?:\.\w+)?|resolve|url))/m';
$str = 'import * as foo from \'foo\'
import { foo } from \'foo\'
import {
foo,
bar
} from \'foo\'
import.meta.env
import.meta.env.foo
import.meta.url
import.meta.resolve
export * from \'./foo\'
export { default } from \'./foo\'
export {
foo,
bar
} from \'foo\'
export async function
// export async function
/**
*
* @example
* export default foo = 123
*
*/
await import
export default foo
export default function foo
export default () => {
}
export class
export type';
preg_match_all($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