Answer / uday kumar. a

In QTP, delaing of Regualar Expressions and varing object
descriptions can be handled by using Description
Programming.
Ex. of using Regular expression is:
u just record yahoo login operaion and click on Inbox link.
Assume u got 10 new mails, then it shows like Inbox(10).
Read one mail, now it shows like Inbox(9). Now try to play
the recorded script. It wont work. Now use Regular
expression in Inbox link like:
"Inbox.*". At that time it wil work.

Answer / uday

ex
if we take flight reservation table (coz its easy to
understand the concept)
just record the script like this
go to file open order give no 5
and go to fax order type any fax no click send
and stop recording
then go to qtp script just change the script (the order no
to 6 )
Window("Flight Reservation").Dialog("Open
Order").WinEdit("Edit").Set "6"
and run the script we get the error as qtp could not
identify the fax order no 5
then go to repository select fax order no change the value
to "fax order no. *"
run it u get it

Answer / umasankar

Regular expressions enable QuickTest to identify objects
and text strings with varying values.You can use regular
expressions only for values of type string.

You can use regular expressions when:

1) Defining the property values of an object in dialog
boxes or in programmatic descriptions.

2) Parameterizing a step.

3) Creating checkpoints with varying values.

Example:

your site may include a form in which the user inputs data
and clicks the Send button to submit the form. When a
required field is not completed, the form is displayed
again for the user to complete. When resubmitting the form,
the user clicks the Resend button. You can define the value
of the button's name property as a regular expression, so
that QuickTest ignores variations in the button name when
clicking the button.

Answer / anil

Thanks Mr.Uday u explained beautyfully with an example. Can
u give another two more real time secnarios where we use RE.

Answer / vikas choubey

Some Times QTP does not recognize the application object
during second run Or it run first time successfully then
QTP gives an error cannot identified the application Window
object properties does not match with the test object. There
might be a case of window name /object name is getting
changed each time. Here we required the use of regular
expression

During Recording of Flight application QTP record the
flight application it identified the Fax order window name
property like this

It Text Property is Fax order 11

If you run this script Again it will give an error because
Fax order Window name will be

Fax order 12
Cannot identify the object “Fax Order No. 11″ (of class
Dialog). Verify that this object’s properties match an
object currently displayed in your application.

Line (1): “Window(“Flight Reservation”).Dialog(“Fax Order
No. 11″).Activate”.
Check regular expression check box A message will appear
click NO. Now change Text box value according to Regular
expreesion.

Fax Order No. 11 to Fax Order No.*

Here each time only last part getting changed here we use .*
as regular expression means it will check only Fax order No
text not whole string

Same case we can apply for different object properties if
they are getting changed

A regular expression is a string that describes or matches a
set of strings. It is often called a pattern as it describes
set of strings

Answer / mahesh

Thax uday to give valuable information about regular
expression.

Answer / kavita

We can use regular expression where we have continous
change in value at run time (for e.g in dial up
connection,it takes 60 sec to get connected....)

Thanks

Answer / chandu

Hi kavitha ,

Can u tell briefly how to handle dial up connection using
the REGULAR EXPRESSION code.

Thanks & Regards
chandu

Answer / less than you

After doing till this point error will generate on fax no.
statement. And again on last statement.

Answer / rt

Thanks for u r giving information..

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