Hi and thank first for you please help me the Regular Expression.

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Write a windows program to ask the user to enter a new password and check whether the format of the password is matched with the required format or not. The required format for password is as wwwwddd (4 words, and 3 digits).For example, hero123 is valid. Use the Regular expression to check required format. You can design appropriate graphical user interface.

Posted 3-Feb-12 5:58am

yeng thao

Updated 3-Feb-12 6:02am

Wendelius

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Wendelius 3-Feb-12 12:00pm

Since this most likely is homework, what have you tried?

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OriginalGriff · Accepted Answer · 2012-02-03T06:00:00

Solution 1

Since this is your homework, I think you should probably do it yourself!
It's not difficult, and I'm not too nasty, so I'll make a suggestion: Get a copy of Expresso [^] - it's free, and it examines and generates Regular expressions.

Posted 3-Feb-12 6:00am

OriginalGriff

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snehaww 3-Feb-12 12:37pm

it's very helpful....thanks

yeng thao · Accepted Answer · 2012-02-05T21:17:00

Hi sir

Yes, this is my homework it's not i am lazy to do it, i have to try it for a long time but i can't done it, so i have asked you. As below i'm trying like this can you check it for me it's correct or not. Warm thanks

if (Regex.IsMatch(txtpassword.text, @"^[a-zA-Z]{4,4}\d{3}"))
{
MessageBox.Show("Valid");

}

else
{
MessageBox.Show("Invalid");
}