fork download 
  1. str = "19097147835"
  2. str.gsub(/\D/, '').match(/\A1\K\d{10}\z/) do |match|
  3.     puts match[0].to_i
  4. end
Success #stdin #stdout 0s 6408KB
comments (?)
stdin 
Standard input is empty
stdout 
9097147835
https://ideone.com/n4NiOt
language:
Ruby (ruby 2.5.5)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!