Merge pull request #1 from MarlonRodriguez/MarlonRodriguez-patch-1

Update brush-powershell.js

Author: MarlonRodriguez

lib/brush-powershell.js

@@ -37,7 +37,7 @@
 
 			{ regex: new RegExp('@"\\n[\\s\\S]*?\\n"@', 'gm'),												css: 'script string here' },			// double quoted here-strings
 			{ regex: new RegExp("@'\\n[\\s\\S]*?\\n'@", 'gm'),												css: 'script string single here' },		// single quoted here-strings
-			{ regex: new RegExp('"(?:\\$\\([^\\)]*\\)|[^"]|`"|"")*[^`]"','g'),								css: 'string' },						// double quoted strings
+			{ regex: new RegExp('"(?:\\$\\([^\\)]*\\)|[^"]|`"|"")*[^`"]?"','g'),								css: 'string' },						// double quoted strings
 			{ regex: new RegExp("'(?:[^']|'')*'", 'g'),														css: 'string single' },					// single quoted strings
 
 			{ regex: new RegExp('[\\$|@|@@](?:(?:global|script|private|env):)?[A-Z0-9_]+', 'gi'),			css: 'variable' },						// $variables