Simple-Pig-Latin

Description

Move the first letter of each word to the end of it, then add “ay” to the end of the word.

Leave punctuation marks untouched.

Examples

pigIt('Pig latin is cool'); // igPay atinlay siay oolcay
pigIt('Hello world !');     // elloHay orldway !

Solutions

R

library(tidyverse)

replace_rule <- function(word) {
    str_c(str_sub(word, 2), str_sub(word, 1, 1), "ay")
}

pigIt <- function(string) {
    string %>%
        str_replace_all("\\w+", replace_rule)
}


library(testthat)
test_that("Sample Tests", {
    expect_equal(pigIt("Pig latin is cool"), "igPay atinlay siay oolcay")
    expect_equal(pigIt("Hello world !"), "elloHay orldway !")
})

#> Test passed 🌈

JavaScript

/**
 * 修改/替换所有的单词，使用正则检测，避开标点符号
 * @param {String} str 
 * @returns 
 */
function pigIt(str) {
  return str.replace(/\w+/g, word => word.slice(1) + word[0] + 'ay');
}