Ruby Cheat Sheet

replace

ruby

s = 'hello'
s.replace 'world' # => 'world'

python

'hello world'.replace('hello', 'world')
# 'world world'

javascript

const p =
  "The quick brown fox jumps over the lazy dog. If the dog reacted, was it really lazy?";

console.log(p.replace("dog", "monkey"));
// expected output: "The quick brown fox jumps over the lazy monkey. If the dog reacted, was it really lazy?"

const regex = /Dog/i;
console.log(p.replace(regex, "ferret"));
// expected output: "The quick brown fox jumps over the lazy ferret. If the dog reacted, was it really lazy?"

rust