Fix StringExpr regex

lib/python/Products/PageTemplates/Expressions.py

@@ -17,7 +17,7 @@ Page Template-specific implementation of TALES, with handlers
 for Python expressions, string literals, and paths.
 """
 
-__version__='$Revision: 1.32 $'[11:-2]
+__version__='$Revision: 1.33 $'[11:-2]
 
 import re, sys
 from TALES import Engine, CompilerError, _valid_name, NAME_RE, \
@@ -203,7 +203,7 @@ class PathExpr:
         return '%s:%s' % (self._name, `self._s`)
 
             
-_interp = re.compile(r'\$(%(n)s)|\${(%(n)s(?:/%(n)s)*)}' % {'n': NAME_RE})
+_interp = re.compile(r'\$(%(n)s)|\${(%(n)s(?:/[^}]*)*)}' % {'n': NAME_RE})
 
 class StringExpr:
     def __init__(self, name, expr, engine):