Laureline Paris LaurelineP
LaurelineP
/ index.js
Created
March 28, 2019 09:53
Search and replace - algorithm created by LaurelineP - https://repl.it/@LaurelineP/Search-and-replace-algorithm
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| function myReplace(str, before, after ) { | |
| /* | |
| * 1. Check if the old word has its first letter in a capital or not: | |
| * - if yes : return the new word with a capital on the first letter | |
| * - if no : return the new word as it is | |
| */ | |
| let newStr = /^[A-Z]/.test( before[0] ) | |
| ? `${ after.substring( 0, 1 ).toUpperCase()}${ after.substring( 1 ) }` | |
| : after; |