Angular2 : Demo with Form validation using regex patterns

<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>angular2 playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>

/* Styles go here */

Testing plunkr for Angular2 forms with validation patterns and regex

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    
    '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router/bundles/router-testing.umd.js',
    
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.0.2/lib/typescript.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});

//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import {Component, NgModule} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import { FormsModule } from '@angular/forms';

import {Bottle} from './bottle';

@Component({
  selector: 'my-app',
  template: `
    <!-- <input type="text" class="form-control" name="bottlePrice" autocomplete="off" -->
  
    <form (ngSubmit)="onSubmit()" #bottleUpdatePriceForm="ngForm" >

    <div class="form-group" *ngFor="let bottle of bottleArrayToUpdate; let i = index">
      <label for="bottlePrice">{{bottle.name}} : </label>
      
      <input type="number" class="form-control" name="bottlePrice" autocomplete="off" step="any"
      
      [pattern]="pricePattern"
      [(ngModel)]="bottleArrayToUpdate[i].price">
    </div>

    <button type="submit" class="btn btn-default">Submit</button>
    
    <div *ngIf="submitted" class="alert alert-success">
      Update sent.
    </div>
    </form>
  `,
})
export class App {
  
  private pricePattern = /^(((0|[1-9]\d{0,2})(\.\d{2})?)|())$/;
  private bottleArrayToUpdate: Bottle[] = [];
  private submitted = false;
  
  private tempDisplay = {};
  
  constructor() {
    let bottle1 = new Bottle('Type1', 'H1Z1', null);
    let bottle2 = new Bottle('Type2', 'H1Z2', null);
    let bottle3 = new Bottle('Type3', 'H1Z3', null);
    
    this.bottleArrayToUpdate.push(bottle1, bottle2, bottle3);
  }
  
  onSubmit(): void {
    this.submitted = true;

    let updatedBottles = this.bottleArrayToUpdate.filter(bottle => (bottle.price) > 0);
    let formattedBottles = [];
    updatedBottles.forEach(bottle => {
      formattedBottles.push({
        bottleId: bottle.typeId,
        price: bottle.price
      })
    })
    let jsonResultToSend =
      {
        accountId: '9876543210',
        bottles: formattedBottles
      };
      
    console.log(jsonResultToSend);

    setTimeout(function () {
      // message success
      this.submitted = false;
    }.bind(this), 1000);
  }
}

@NgModule({
  imports: [ BrowserModule, FormsModule ],
  declarations: [ App ],
  bootstrap: [ App ]
})
export class AppModule {}

export class Bottle {

  constructor(
    public typeId: string,
    public name: string,
    public price: number
  )
  { }
}