vb.net - 2 text box with validation of custom format and input, and comparing both data VB2010 -


i kinda stuck scenario! need create 2 text box same format of data "3xyz-02-01-abc-001" , need compare "3xyz-02-01-abc" popup text when not matches.

i using vb2010 , creating in winform,

unable use regex, don't know why? solution that? masked textbox solution , , appreciate. bit of challenge!

thanks

to validate (boolean) without returning string, check both conditions.

public function validatecode(code string) boolean    dim test string = ""     ' longer code check    test = "\d[a-z]{3}-\d{2}-\d{2}-[a-z]{3}-\d{3}"     ' regex or operator    test = test & "|"     ' shorter code check    test = test & "\d[a-z]{3}-\d{2}-\d{2}-[a-z]{3}"     ' perform regex test , return boolean    return regex.ismatch( code, test ) end function

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