wesscoby · August 13, 2019 17:13 · Aug 13, 2019
diff --git a/reformat_sentence.js b/reformat_sentence.js
@@ -0,0 +1,50 @@
+//! Challenge
+
+/**
+ * You've just finished writing the last chapter for your novel when a virus suddenly
+ * infects your document. It has swapped the i's and e's in ei words and capitalized 
+ * random letters. In today's challenge, you will write a function which will:
+ * a) Remove the spelling errors in 'ei' words. (Examples of 'ei' words: their, caffein, deceive, weight)
+ * b) Only capitalize the first letter of each sentence. 
+ *  Make sure the rest of the sentence is in lowercase
+
+ ** Example:
+ * 'he haD iEght ShOTs of cAffIene.' ==> 'He had eight shots of caffeine.'
+ 
+ * Good luck and happy coding~!
+ */
+
+ // Long Version
+ function reformat_sentence(sentence) {
+     // Capitalize first letter of string
+     const capitalize_first_letter = (word) => word.replace(/^\w/, firstLetter => firstLetter.toUpperCase());
+
+     // convert sentence to array of words, 
+     // switch 'ie' to 'ei' in each word,
+     // convert each word lowercase
+     sentence = sentence.split(' ').map(word => {
+         word = word.toLowerCase();
+         return word.replace('ie', 'ei')
+     })
+
+     // Capitalize the first letter of the first word in the sentence array
+     sentence[0] = capitalize_first_letter(sentence[0]);
+
+     // Convert sentence back to string and return
+     return sentence.join(' ');
+ }
+
+
+ // Short Version
+ const reformatSentence = sentence => sentence
+                                        .split(' ')
+                                        .map(word => word.toLowerCase().replace('ie', 'ei'))
+                                        .join(' ')
+                                        .replace(/^\w/, firstLetter => firstLetter.toUpperCase());
+
+console.log("Long Version:", reformat_sentence('he haD iEght ShOTs of cAffIene.'))
+console.log("Short Version:", reformatSentence('he haD iEght ShOTs of cAffIene.'))
+
+// Output
+// Long Version: He had eight shots of caffeine.
+// Short Version: He had eight shots of caffeine.
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