Add a plus sign in front of every number

The following rule will add a plus sign to every phone number that does not start with a plus sign.

Route 1. - 971 prefix to a +971 prefix

This rule will add a plus sign in front of any number.

Change this: 97466781661
To this: +97466781661

Change this: 9711111111
To this: +9711111111

/^[^+].*$/

The above condition can be broken down like this:
start the matching: ^
anything that does not start with a plus sign: [^+]
anything can come after this: .*
end the matching: $

/^(.*)$/+$1/

The above condition can be broken down like this:
change this: ^(.*)$
to this: +$1

The route properties are:

The above table contains the settings you need to apply