fix(challenges): fix regex in a JS challenge (#257)

challenges/02-javascript-algorithms-and-data-structures/regular-expressions.json

@@ -1090,7 +1090,7 @@
         },
         {
           "text": "Your regex should use the shorthand character.",
-          "testString":"assert(/\\\\W/.test(nonAlphabetRegex.source), 'Your regex should use the shorthand character to match characters which are non-alphanumeric.');"
+          "testString": "assert(/\\\\W/.test(nonAlphabetRegex.source), 'Your regex should use the shorthand character to match characters which are non-alphanumeric.');"
         },
         {
           "text": "Your regex should find 8 non-alphanumeric characters in <code>\"Pack my box with five dozen liquor jugs.\"</code>",
@@ -1611,7 +1611,7 @@
         "You can specify the lower and upper number of patterns with <code>quantity specifiers</code> using curly brackets. Sometimes you only want a specific number of matches.",
         "To specify a certain number of patterns, just have that one number between the curly brackets.",
         "For example, to match only the word <code>\"hah\"</code> with the letter <code>a</code> <code>3</code> times, your regex would be <code>/ha{3}h/</code>.",
-        "<blockquote>let A4 = \"haaaah\";<br>let A3 = \"haaah\";<br>let A100 = \"h\" + \"a\".repeat(100) + \"h\";<br>let multipleHA = /a{3}h/;<br>multipleHA.test(A4); // Returns false<br>multipleHA.test(A3); // Returns true<br>multipleHA.test(A100); // Returns false</blockquote>",
+        "<blockquote>let A4 = \"haaaah\";<br>let A3 = \"haaah\";<br>let A100 = \"h\" + \"a\".repeat(100) + \"h\";<br>let multipleHA = /ha{3}h/;<br>multipleHA.test(A4); // Returns false<br>multipleHA.test(A3); // Returns true<br>multipleHA.test(A100); // Returns false</blockquote>",
         "<hr>",
         "Change the regex <code>timRegex</code> to match the word <code>\"Timber\"</code> only when it has four letter <code>m</code>'s."
       ],
@@ -1643,7 +1643,7 @@
         },
         {
           "text":
-            "Your regex should not match <code>\"Timber\"</code> with 30 <code>m</code>\\'s in it.",
+            "Your regex should not match <code>\"Timber\"</code> with 30 <code>m</code>'s in it.",
           "testString":
             "assert(!timRegex.test(\"Ti\" + \"m\".repeat(30) + \"ber\"), 'Your regex should not match <code>\"Timber\"</code> with 30 <code>m</code>\\'s in it.');"
         }