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Parse Simple Document - VB.NET

Document Parser SDK sample in VB.NET demonstrating ‘Parse Simple Document’

AmazonAWS.yml
templateName: Amazon Web Services Invoice
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - Amazon Web Services
  - ATTN
  - Invoice
objects:
- name: total
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: TOTAL AMOUNT DUE ON{{Anything}}{{Dollar}}({{Number}})
    regex: true
    dataType: decimal
- name: subTotal
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: '{{LineStart}}{{Spaces}}Charges{{Spaces}}{{Dollar}}({{Number}})'
    regex: true
    dataType: decimal
- name: dateIssued
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: Invoice Date:{{Spaces}}({{Anything}}){{LineEnd}}
    regex: true
    dataType: date
    dateFormat: MMMM d , yyyy
- name: invoiceId
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: Invoice Number:{{Spaces}}({{Digits}})
    regex: true
- name: companyName
  objectType: field
  fieldProperties:
    fieldType: static
    expression: Amazon Web Services, Inc.
    regex: true
- name: companyWebsite
  objectType: field
  fieldProperties:
    fieldType: static
    expression: aws.amazon.com
    regex: true
- name: billTo
  objectType: field
  fieldProperties:
    fieldType: rectangle
    expression: Bill to Address:{{ToggleSingleLineMode}}({{AnythingGreedy}})
    regex: true
    rectangle:
    - 33
    - 115.5
    - 213.75
    - 72.75
    pageIndex: 0
- name: currency
  objectType: field
  fieldProperties:
    fieldType: static
    expression: USD
    regex: true
- name: table1
  objectType: table
  tableProperties:
    start:
      expression: '{{LineStart}}{{Spaces}}Detail{{LineEnd}}'
      regex: true
    end:
      expression: '{{EndOfPage}}'
      regex: true
    row:
      expression: '{{LineStart}}{{Spaces}}(?<description>{{SentenceWithSingleSpaces}}){{Spaces}}{{Dollar}}(?<unitPrice>{{Number}}){{LineEnd}}'
      regex: true
    columns:
    - name: unitPrice
      dataType: decimal


DigitalOcean.yml
templateName: DigitalOcean Invoice
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - DigitalOcean
  - 101 Avenue of the Americas
  - Invoice Number
objects:
- name: companyName
  objectType: field
  fieldProperties:
    fieldType: static
    expression: DigitalOcean
    regex: true
- name: invoiceId
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: 'Invoice Number: ({{Digits}})'
    regex: true
- name: dateIssued
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: 'Date Issued: ({{SmartDate}})'
    regex: true
    dataType: date
    dateFormat: auto-mdy
- name: total
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: 'Total: {{Dollar}}({{Number}})'
    regex: true
    dataType: decimal
- name: currency
  objectType: field
  fieldProperties:
    fieldType: static
    expression: USD
    regex: true
- name: table1
  objectType: table
  tableProperties:
    start:
      expression: Description{{Spaces}}Hours
      regex: true
    end:
      expression: 'Total:'
      regex: true
    row:
      expression: '{{LineStart}}{{Spaces}}(?<description>{{SentenceWithSingleSpaces}}){{Spaces}}(?<hours>{{Digits}}){{Spaces}}(?<start>{{2Digits}}{{Minus}}{{2Digits}}{{Space}}{{2Digits}}{{Colon}}{{2Digits}}){{Spaces}}(?<end>{{2Digits}}{{Minus}}{{2Digits}}{{Space}}{{2Digits}}{{Colon}}{{2Digits}}){{Spaces}}{{Dollar}}(?<unitPrice>{{Number}})'
      regex: true
    columns:
    - name: hours
      dataType: integer
    - name: unitPrice
      dataType: decimal


Google.yml
templateName: Google Invoice
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - Google
  - 77-0493581
  - Invoice
objects:
- name: invoiceId
  objectType: field
  fieldProperties:
    expression: Invoice number:{{Spaces}}({{Digits}})
    regex: true
- name: dateIssued
  objectType: field
  fieldProperties:
    expression: Issue date:{{Spaces}}({{SmartDate}})
    regex: true
    dataType: date
    dateFormat: MMM d, yyyy
- name: total
  objectType: field
  fieldProperties:
    expression: Amount due in USD:{{Spaces}}{{Number}}
    regex: true
    dataType: decimal
- name: subTotal
  objectType: field
  fieldProperties:
    expression: Subtotal in USD:{{Spaces}}{{Number}}
    regex: true
    dataType: decimal
- name: taxRate
  objectType: field
  fieldProperties:
    expression: State sales tax {{OpeningParenthesis}}{{Digits}}{{Percent}}{{ClosingParenthesis}}
    regex: true
    dataType: integer
- name: tax
  objectType: field
  fieldProperties:
    expression: State sales tax{{Anything}}{{Number}}{{LineEnd}}
    regex: true
    dataType: decimal
- name: companyName
  objectType: field
  fieldProperties:
    fieldType: static
    expression: Google LLC
    regex: true
- name: billTo
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 0
    - 152
    - 280
    - 72
    pageIndex: 0
- name: billingId
  objectType: field
  fieldProperties:
    expression: Billing ID:{{Spaces}}({{DigitsOrSymbols}})
    regex: true
- name: currency
  objectType: field
  fieldProperties:
    fieldType: static
    expression: USD
    regex: true
- name: table1
  objectType: table
  tableProperties:
    start:
      expression: Description{{Spaces}}Interval{{Spaces}}Quantity{{Spaces}}Amount
      regex: true
    end:
      expression: Subtotal in USD
      regex: true
    row:
      expression: '{{LineStart}}{{Spaces}}(?<description>{{SentenceWithSingleSpaces}}){{Spaces}}(?<interval>{{3Letters}}{{Space}}{{Digits}}{{Space}}{{Minus}}{{Space}}{{3Letters}}{{Space}}{{Digits}}){{Spaces}}(?<quantity>{{Digits}}){{Spaces}}(?<amount>{{Number}})'
      regex: true
    columns:
    - name: quantity
      dataType: integer
    - name: amount
      dataType: decimal


Module1.vb
Imports ByteScout.DocumentParser

' This example demonstrates document data parsing to JSON, YAML and XML formats.

Module Module1

    Sub Main()

        Dim templates As String() = New String() {"DigitalOcean.yml", "AmazonAWS.yml", "Google.yml"}

        Dim inputDocument1 As String = ".\DigitalOcean.pdf"
        Dim inputDocument2 As String = ".\AmazonAWS.pdf"
        Dim inputDocument3 As String = ".\Google.pdf"

        ' Create DocumentParser instance
        Using documentParser As New DocumentParser("demo", "demo")

            Console.WriteLine("Loading templates...")

            For Each template In templates
                documentParser.AddTemplate(template)
            Next

            Console.WriteLine("Templates loaded.")
            Console.WriteLine()


            Console.WriteLine($"Parsing ""{inputDocument1}""...")
            Console.WriteLine()

            ' Parse document data in JSON format
            Dim jsonString As String = documentParser.ParseDocument(inputDocument1, OutputFormat.JSON)
            ' Display parsed data in console
            Console.WriteLine("Parsing results in JSON format:")
            Console.WriteLine()
            Console.WriteLine(jsonString)

            Console.WriteLine()
            Console.WriteLine($"Parsing ""{inputDocument2}""...")
            Console.WriteLine()

            ' Parse document data in YAML format
            Dim yamlString As String = documentParser.ParseDocument(inputDocument2, OutputFormat.YAML)
            ' Display parsed data in console
            Console.WriteLine("Parsing results in YAML format:")
            Console.WriteLine()
            Console.WriteLine(yamlString)


            Console.WriteLine()
            Console.WriteLine($"Parsing ""{inputDocument3}""...")
            Console.WriteLine()

            ' Parse document data in CSV format
            Dim csvOptions = New CSVOptions()
            csvOptions.GenerateColumnHeaders = True
            csvOptions.SeparatorCharacter = ","
            csvOptions.QuotationCharacter = """"
            csvOptions.EncodingName = "utf-8"
            Dim xmlString As String = documentParser.ParseDocument(inputDocument3, OutputFormat.CSV, csvOptions)
            
            ' Display parsed data in console
            Console.WriteLine("Parsing results in XML format:")
            Console.WriteLine()
            Console.WriteLine(xmlString)

        End Using

        Console.WriteLine()
        Console.WriteLine("Press any key to continue...")
        Console.ReadLine()

    End Sub

End Module

Download Source Code (.zip)

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