From 9cef8dbc799343f6fc0fca926fbef4917b94f335 Mon Sep 17 00:00:00 2001
From: NeonXP <frei@neonxp.info>
Date: Fri, 6 Sep 2013 08:19:02 +0400
Subject: + Added cache, which speeds up the repetitive calculations + Returned
 variables, because they need for cached expressions

---
 src/NXP/Classes/Token/TokenVariable.php | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/NXP/Classes/Token/TokenVariable.php

(limited to 'src/NXP/Classes/Token/TokenVariable.php')

diff --git a/src/NXP/Classes/Token/TokenVariable.php b/src/NXP/Classes/Token/TokenVariable.php
new file mode 100644
index 0000000..ccd7c83
--- /dev/null
+++ b/src/NXP/Classes/Token/TokenVariable.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * This file is part of the MathExecutor package
+ *
+ * (c) Alexander Kiryukhin
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code
+ */
+
+namespace NXP\Classes\Token;
+
+/**
+ * @author Alexander Kiryukhin <alexander@symdev.org>
+ */
+class TokenVariable extends AbstractContainerToken
+{
+    /**
+     * @return string
+     */
+    public static function getRegex()
+    {
+        return '\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*';
+    }
+}
-- 
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