Ok, so clearly you have not tried what Daniel suggested...

IN a regexp ^ matches the beginning of the line/string, and $ matches
the end. So "^000$" only matches exactly "000" and not "000xxxx"
Remove the $ to match strings begining with 000.

Rules:
======
dpid: 1
pr: 1
match_op: 1
match_exp: ^000$
match_len: 0
subst_exp: ^0000$
repl_exp: 
attrs: 

Can you see you still have the $ char at the end of match_exp and subst_exp? 

To begin with, do you know how regular expressions work? Because that is the first thing you need to know to correctly use the dialplan module.

That said you need a match expression, a substitute expression, and a replace expression...

Try with:

Rules:
======
dpid: 1
pr: 1
match_op: 1
match_exp: ^000[0-9]+$  <<<<<<< This will trigger a match on any number that will start with three zeros.
match_len: 0
subst_exp: ^000([0-9]+)$  <<<<<<< If the match_exp is found, then create a group with the desired part of the number, in this case, everything after the three zeros.

repl_exp: \1   <<<<<<< \1 is a back reference to group 1, in this case the number you selected in subst_exp, without the three zeros.
attrs: 

What isn't clear to me is that 91 you are talking about in your email, you might have to exclude/include that in your regex.

Have a look at https://www.kamailio.org/docs/modules/devel/modules/dialplan.html#dialplan.installation 

You have a couple examples that might make it more clear.

Let me know if it helps.

Joel.

On Fri, Aug 4, 2017 at 9:18 PM, Logeshwaran G <logeshwarangs@gmail.com> wrote:

Yes I have Tried, please find below the Rules I have applied and the Result:

Rules:
======
dpid: 1
pr: 1
match_op: 1
match_exp: ^000$
match_len: 0
subst_exp: ^0000$
repl_exp:
attrs:

I am Calling to the number 00091xxxxxxxxxx , But its saying as Too many Hops.

Its only looking for 000, Its not taking the 91xxxxxxxxxx numbers, If I call 000 only its replacing with the given number in the Rule table.

I need to Remove only the first 3 digits, and the other numbers should go to the call.

For Example If I am calling 00091xxxxxxxxx, It should remove the first 3 digits 000 and 91xxxxxxxxx call should be place.

Please Guide me for removing the first three digits alone and other numbers should takes place.

On Fri, Aug 4, 2017 at 6:43 PM, Joel Serrano <joel@gogii.net> wrote:

Have you tried what Daniel suggested?

Share the results of the tests and we can go from there. 

On Thu, Aug 3, 2017 at 21:34 Logeshwaran G <logeshwarangs@gmail.com> wrote:

Input Please!!

On Thu, Aug 3, 2017 at 5:08 PM, Logeshwaran G <logeshwarangs@gmail.com> wrote:

Thanks a lot!

But for my scenario,

If I am Dialling 000919999999999, need to remove the first three digits 000, so the call should go to 919999999999.

I am stucked to create the rule for the above scenario, Kindly help me for the same.

Kind Regards,

Logeshwaran

On Thu, Aug 3, 2017 at 4:48 PM, Daniel Tryba <d.tryba@pocos.nl> wrote:

On Thu, Aug 03, 2017 at 04:00:45PM +0530, Logeshwaran G wrote:
>
> +----+------+----+----------+-----------+-----------+-----------+----------+-------+
> | id | dpid | pr | match_op | match_exp | match_len | subst_exp | repl_exp
> | attrs |
> +----+------+----+----------+-----------+-----------+-----------+----------+-------+
> |  1 |    1 |  1 |        1 | ^000$     |         0 | ^000$     |
> |       | 111
> +----+------+----+----------+-----------+-----------+-----------+----------+-------+
>
> The above rule replacing only the 000, If we Dial 000xxxx its omitting,
> While Dialing 000 its replacing that with 111.

IN a regexp ^ matches the beginning of the line/string, and $ matches
the end.

So "^000$" only matches exactly "000" and not "000xxxx"
Remove the $ to match strings begining with 000.

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