[SR-Users] How to use regular expression for $var ?

[Gary Chen]

Kamailio 3.3.0

I have a variable  $var(s:dst). It can store either a number or IP.
How do I check to determine whether it is a number of IP?
I tried the following and it did not work:

If ($var(s:dst) =~ "^\d+\.\d+\.\d+\.\d+$"){

It is a IP.

}else{

It is a Number

}





Thanks



Gary




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