Search and Replace

Author: Tittoh

README.md

@@ -14,4 +14,5 @@ Once inside, run the command below:
 5. Palindromes
 6. Hamming Distance
 7. Longest Word In a Sentence
+8. Search and Replace
 

src/searchReplace/index.js

@@ -0,0 +1,11 @@
+// pick a solution and insert here to run the test.
+
+
+function searchReplace(str, word, newWord){
+    if ( word[0] === word[0].toUpperCase() ) {
+        newWord = newWord[0].toUpperCase() + newWord.slice(1)
+   }
+   return str.replace(word, newWord)
+}
+
+module.exports = searchReplace;

src/searchReplace/solutions.js

@@ -0,0 +1,19 @@
+// USING .replace()
+
+function searchReplace(str, word, newWord){
+    if ( word[0] === word[0].toUpperCase() ) {
+        newWord = newWord[0].toUpperCase() + newWord.slice(1)
+   }
+   return str.replace(word, newWord)
+}
+
+
+// USING REGULAR EXPRESSION
+
+function searchReplace(str, word, newWord) {
+    let regex = new RegExp(word, "gi");
+    if (/[A-Z]/.test(word[0])) {
+        newWord = newWord.charAt(0).toUpperCase() + newWord.slice(1);
+    }
+    return str.replace(regex, newWord)
+}