ng2-pipes/src/app/pipes/string/ltrim.ts

Useful angular2 pipes

import {PipeTransform, Pipe} from '@angular/core';
import GeneralHelper from '../helpers/helpers';

@Pipe({name: 'ltrim'})
export class LeftTrimPipe implements PipeTransform {

  transform(text: string, chars: string = '\\s'): string {
    return GeneralHelper.isString(text)
      ? text.replace(new RegExp(`^[${chars}]+`), '')
      : text;
  }
}