Merge pull request #13062 from JosephLivengood/fix/regex-challenge-formatting

Updated challenge text formatting to be uniform

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

@@ -887,7 +887,7 @@
       "description": [
         "Some patterns you search for will occur multiple times in a string. It is wasteful to manually repeat that regex. There is a better way to specify when you have multiple repeat substrings in your string.",
         "You can search for repeat substrings using <code>capture groups</code>. Parentheses, <code>(</code> and <code>)</code>, are used to find repeat substrings. You put the regex of the pattern that will repeat in between the parentheses.",
-        "To specify where that repeat string will appear, you use a backslash (\\) and then a number. This number starts at 1 and increases with each additional capture group you use. An example would be \\1 to match the first group.",
+        "To specify where that repeat string will appear, you use a backslash (<code>\\</code>) and then a number. This number starts at 1 and increases with each additional capture group you use. An example would be <code>\\1</code> to match the first group.",
         "The example below matches any word that occurs twice separated by a space:",
         "<blockquote>let repeatStr = \"regex regex\";<br>let repeatRegex = /(\\w+)\\s\\1/;<br>repeatRegex.test(repeatStr); // Returns true<br>repeatStr.match(repeatRegex); // Returns [\"regex regex\", \"regex\"]</blockquote>",
         "Using the <code>.match()</code> method on a string will return an array with the string it matches, along with its capture group.",