diff --git a/lib/core/regex.js b/lib/core/regex.js
index 9dd13a42..c23b903d 100644
--- a/lib/core/regex.js
+++ b/lib/core/regex.js
@@ -1,5 +1,5 @@
 const numeric = '[0-9]+'
-const alphanumeric = '[A-Z $%*+\\-./:]+'
+const lettersAndCharacters = '[A-Z $%*+\\-./:]+'
 let kanji = '(?:[u3000-u303F]|[u3040-u309F]|[u30A0-u30FF]|' +
   '[uFF00-uFFEF]|[u4E00-u9FAF]|[u2605-u2606]|[u2190-u2195]|u203B|' +
   '[u2010u2015u2018u2019u2025u2026u201Cu201Du2225u2260]|' +
@@ -12,7 +12,7 @@ exports.KANJI = new RegExp(kanji, 'g')
 exports.BYTE_KANJI = new RegExp('[^A-Z0-9 $%*+\\-./:]+', 'g')
 exports.BYTE = new RegExp(byte, 'g')
 exports.NUMERIC = new RegExp(numeric, 'g')
-exports.ALPHANUMERIC = new RegExp(alphanumeric, 'g')
+exports.LETTERS_AND_CHARACTERS = new RegExp(lettersAndCharacters, 'g')
 
 const TEST_KANJI = new RegExp('^' + kanji + '$')
 const TEST_NUMERIC = new RegExp('^' + numeric + '$')
diff --git a/lib/core/segments.js b/lib/core/segments.js
index ba8be178..a0cf811e 100644
--- a/lib/core/segments.js
+++ b/lib/core/segments.js
@@ -50,7 +50,7 @@ function getSegments (regex, mode, str) {
  */
 function getSegmentsFromString (dataStr) {
   const numSegs = getSegments(Regex.NUMERIC, Mode.NUMERIC, dataStr)
-  const alphaNumSegs = getSegments(Regex.ALPHANUMERIC, Mode.ALPHANUMERIC, dataStr)
+  const letterAndCharacterSegs = getSegments(Regex.LETTERS_AND_CHARACTERS, Mode.ALPHANUMERIC, dataStr)
   let byteSegs
   let kanjiSegs
 
@@ -62,7 +62,7 @@ function getSegmentsFromString (dataStr) {
     kanjiSegs = []
   }
 
-  const segs = numSegs.concat(alphaNumSegs, byteSegs, kanjiSegs)
+  const segs = numSegs.concat(letterAndCharacterSegs, byteSegs, kanjiSegs)
 
   return segs
     .sort(function (s1, s2) {
diff --git a/test/unit/core/regex.test.js b/test/unit/core/regex.test.js
index f4cd8a1f..1aa2fc0e 100644
--- a/test/unit/core/regex.test.js
+++ b/test/unit/core/regex.test.js
@@ -5,8 +5,8 @@ test('Regex', function (t) {
   t.ok(Regex.NUMERIC instanceof RegExp,
     'Should export a regex for NUMERIC')
 
-  t.ok(Regex.ALPHANUMERIC instanceof RegExp,
-    'Should export a regex for ALPHANUMERIC')
+  t.ok(Regex.LETTERS_AND_CHARACTERS instanceof RegExp,
+    'Should export a regex for LETTERS_AND_CHARACTERS')
 
   t.ok(Regex.BYTE instanceof RegExp,
     'Should export a regex for BYTE')