Question

How to find all lowercase characters in a string with Node.js

Answer 1

const str = 'JavaScript C PHP TypeScript NodeJS';
 
let uppercase = str.replace(/[A-Z]/g, '');
console.log(uppercase); 
 
uppercase = str.replace(/[^a-z]/g, '');
console.log(uppercase); 
 
uppercase = str.match(/[a-z]/g);
console.log(uppercase); 
 
   
   
   
   
/*
run:
   
avacript   ypecript ode
avacriptypecriptode
[
  'a', 'v', 'a', 'c', 'r',
  'i', 'p', 't', 'y', 'p',
  'e', 'c', 'r', 'i', 'p',
  't', 'o', 'd', 'e'
]

*/

 

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