This will take care of 0
‘s in between the phone numbers
phone="08763843478,+918763843478,08763843478,+918763843478,+918763840008"
phone.split(',').map{|num| num.gsub(/^\+91|^0/, '')}.join(',')
#=> "8763843478,8763843478,8763843478,8763843478,8763840008"
0
solved Format a string containing Phone numbers