diff --git a/lib/liquid.rb b/lib/liquid.rb
index e1f6cf0..3be44ab 100644
--- a/lib/liquid.rb
+++ b/lib/liquid.rb
@@ -33,7 +33,7 @@ module Liquid
   VariableIncompleteEnd       = /\}\}?/
   QuotedString                = /"[^"]*"|'[^']*'/
   QuotedFragment              = /#{QuotedString}|(?:[^\s,\|'"]|#{QuotedString})+/
-  StrictQuotedFragment        = /"[^"]+"|'[^']+'|[^\s,\|,\:,\,]+/
+  StrictQuotedFragment        = /"[^"]+"|'[^']+'|[^\s|:,]+/
   FirstFilterArgument         = /#{FilterArgumentSeparator}(?:#{StrictQuotedFragment})/
   OtherFilterArgument         = /#{ArgumentSeparator}(?:#{StrictQuotedFragment})/
   SpacelessFilter             = /^(?:'[^']+'|"[^"]+"|[^'"])*#{FilterSeparator}(?:#{StrictQuotedFragment})(?:#{FirstFilterArgument}(?:#{OtherFilterArgument})*)?/