how to enter a number in url

I have a url in that i want to type a number ,the number varies each time,if i enter it manually it works for ex

url='http://103.250.30.5/SendSMS/sendmsg.php?uname=XXX&pass=XXX&send=Alerts&dest=123456789&msg=Out time is 18.28'

web(url,'-browser')

dest is my mobile number,if i enter manually it works but i have saved it in variable A how to enter it tere

kindly help

Answer 1

[the cyclist]

A = '123456789';

url=['http://103.250.30.5/SendSMS/sendmsg.php?uname=XXX&pass=XXX&send=Alerts&dest=',A,'&msg=Out time is 18.28']

Answer 2

[Image Analyst]

You can use sprintf():

url=sprintf('http://103.250.30.5/SendSMS/sendmsg.php?uname=%d&pass=%d&send=Alerts&dest=123456789&msg=Out time is 18.28', number1, number2);

number1 and number2 replace the %d's in the format string.