How do I check the textbox values entered one after another with / n regex?

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ı entered value in textbox and I want to check regex kontrol.But I entered line by line entered and I want to all line check.How to \n line check control (only numeric and five numbers(12345,83732 ..vs) regex in xmal?

What I have tried:

For example:

textbox values:

12345
83738
126
12vhl

I want to dont accept 126 and 12vhl.Because 126 three numbers,12vhl not include numeric number.

Posted 7-Sep-19 12:09pm

Member 14169626

Updated 7-Sep-19 22:00pm

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Patrice T 7-Sep-19 18:25pm

Show your code.

BillWoodruff 7-Sep-19 21:42pm

You have already asked this question:

https://www.codeproject.com/Questions/5166153/How-do-I-save-the-row-values-entered-in-the-textbo

and, I've already shown you how to handle text entry so there is no chance incorrectly formatted lines can occur:

https://www.codeproject.com/Answers/5166576/How-do-I-save-the-row-values-entered-in-the-textbo

Member 14169626 8-Sep-19 1:44am

yes thank you for your help. I just want to check for regex usage and for later use.

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RickZeeland · Answer 1 · 2019-09-07T21:04:00

Solution 1

Use NumericUpDown controls and set the minimum value to 10000 and the maximum value to 99999.
See: NumericUpDown Class (System.Windows.Forms) | Microsoft Docs[^]

Posted 7-Sep-19 21:04pm

RickZeeland

How do I check the textbox values ​​entered one after another with / n regex?