Angular2 text highlight pipe

highlight.pipe.ts

import {PipeTransform, Pipe} from 'angular2/core';

@Pipe({ name: 'highlight' })
export class HighLightPipe implements PipeTransform {
  transform(text: string, [search]): string {
    return search ? text.replace(new RegExp(search, 'i'), `<span class="highlight">${search}</span>`) : text;
  }
}

/** Usage: 
* <input type="text" [(ngModel)]="filter">
* <div [innerHTML]="myAwesomeText  | highlight : filter"></div>
* 
*/