How do I use, extract data from a txt file

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i have a normal notepad text file that contains codes, vat / tax formulas , it auto calculates the end price of a product , anyways so the idea is very basic just a few textboxes here and there ,the part im struggling with is connecting the .txt file with the program so tht it searches the txt for the code entered , also this is on android , visual studios

What I have tried:

google
stack layout
youtube

Posted 12-Dec-16 2:01am

jamesmc1535

Updated 12-Dec-16 2:23am

OriginalGriff

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[no name] 12-Dec-16 8:12am

Okay... and? Did you have a question?

ridoy 12-Dec-16 13:58pm

Regex is your friend in that case!

Patrice T 12-Dec-16 20:08pm

How about showing the Notepad file?
and ask a question?

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CPallini · Answer 1 · 2016-12-12T02:23:00

How the data is extracted depends on the format, the more regular it is, the easier would be the parsing code.
Assuming your file contains comma (or whatever) separated values, you could read a line at time, splitting the read line in order to retrieve the values (see String.Split Method (System)[^]).