main.ts

main.ts

import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import { AppModule } from './app/app.module';
import { environment } from './environments/environment';

import XRegExp from 'xregexp';

// crash
const reg1 = XRegExp('(^(?:https?:\\/\\/)?(test.*\\.)?domain.com\\/[\\/A-Za-z0-9-\\.&?=~:%_#]*$)|(^(?:https?:\\/\\/)?([\\p{L}\\p{N}._-])*\\.(\\/)?([\\p{L}\\p{N}_\\-\\/\\?&~=#:\\.])*$)');
const result1 = reg1.test('https://test.domain.com/xyz');
console.log(result1);

if (environment.production) {
  enableProdMode();
}

platformBrowserDynamic().bootstrapModule(AppModule)
  .catch(err => console.error(err));