Merge c731dda into 6765192

index.js

@@ -5,20 +5,25 @@ var isglob = require('is-glob');
 var pathDirname = require('path-dirname');
 var isWin32 = require('os').platform() === 'win32';
 
+// Reg exps out of fn to save mem.
+var encRe = /[\{\[].*[\/]*.*[\}\]]$/;
+var globRe = /(^|[^\\])([\{\[]|\([^\)]+$)/;
+var escRe = /\\([\*\?\|\[\]\(\)\{\}])/g;
+
 module.exports = function globParent(str) {
 	// flip windows path separators
 	if (isWin32 && str.indexOf('/') < 0) str = str.split('\\').join('/');
 
 	// special case for strings ending in enclosure containing path separator
-	if (/[\{\[].*[\/]*.*[\}\]]$/.test(str)) str += '/';
+	if (encRe.test(str)) str += '/';
 
 	// preserves full path in case of trailing path separator
 	str += 'a';
 
 	// remove path parts that are globby
 	do {str = pathDirname.posix(str)}
-	while (isglob(str) || /(^|[^\\])([\{\[]|\([^\)]+$)/.test(str));
+	while (isglob(str) || globRe.test(str));
 
 	// remove escape chars and return result
-	return str.replace(/\\([\*\?\|\[\]\(\)\{\}])/g, '$1');
+	return str.replace(escRe, '$1');
 };