Use OCR component to retrieve text from image, for example from scanned paper document.
uses Tesseract OCR engine and Leptonica image processing library
supports Windows, macOS, iOS and Android
available for Delphi/C++ Builder XE2 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition library for FireMonkey.

uses ZXing.Net library
supports UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, Codabar, ITF, RSS-14, RSS-Expanded, QR Code, Data Matrix, Aztec, PDF 417 and Pharmacode barcodes
supports Windows 32 and Windows 64 FireMonkey applications
available for Delphi/C++ Builder XE2 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition library for Android.
uses ZXing library
supports UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, Codabar, ITF, RSS-14, RSS-Expanded, QR Code, Data Matrix, Aztec and PDF 417 barcodes
available for Delphi/C++ Builder XE5 - 10.3
source code included in registered version
royalty free distribution in applications

Use OCR.NET component to retrieve text from image, for example from scanned paper document.
uses Tesseract OCR engine and Leptonica image processing library
available for .NET 4.0 - 4.8
source code included in registered version
royalty free distribution in applications

Read and modify existing CSV files:

with TCsv.Create do
try
LoadAnsiFile('c:\data.csv');
ShowMessage(ToString);

if (LineCount > 1) and (FieldCount[1] > 2) then
Fields[1, 2] := 'New value';
ShowMessage(ToString);
finally
Free;
end;

uses ZBar bar code reader library

supports EAN-13/UPC-A, EAN-8, UPC-E, Code 39, Code 93, Code 128, Codabar, PDF417, GS1 DataBar, GS1 DataBar Expanded, Interleaved 2 of 5 and QR Code barcodes
available for .NET 2 - 4.7
source code included in registered version
royalty free distribution in applications

Optical character recognition library for Android. Use OCR.NET for Android to retrieve text from images.

uses Tesseract OCR engine and Leptonica image processing library
supports Android armeabi-v7a devices
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder utilities library.]

available for Delphi/C++ Builder 7 - 10.3 and Lazarus 2.0
source code included in registered version
royalty free distribution in applications