Format text is literal; class runs are {digits(n)} {upper(n)} {lower(n)}; a string is a format

data/en_US/address.json

@@ -9,16 +9,16 @@
       }
     ],
     "street-number": [
-      { "format": "10" },
-      { "format": "100", "weight": 2 },
-      { "format": "1000", "weight": 0.5 },
-      { "format": "10100", "weight": 0.3 }
+      { "format": "{int(10,99)}" },
+      { "format": "{int(100,999)}", "weight": 2 },
+      { "format": "{int(1000,9999)}", "weight": 0.5 },
+      { "format": "{int(10,99)}{int(100,999)}", "weight": 0.3 }
     ],
     "locality": ["Albany", "Atlanta", "Austin", "Baltimore", "Boston", "Charlotte", "Chicago", "Cincinnati", "Cleveland", "Columbus", "Dallas", "Denver", "Detroit", "El Paso", "Fort Worth", "Fresno", "Houston", "Indianapolis", "Jacksonville", "Kansas City", "Las Vegas", "Long Beach", "Los Angeles", "Memphis", "Mesa", "Miami", "Milwaukee", "Minneapolis", "Nashville", "New Orleans", "Oakland", "Oklahoma City", "Omaha", "Orlando", "Philadelphia", "Phoenix", "Pittsburgh", "Portland", "Raleigh", "Sacramento", "San Antonio", "San Diego", "San Jose", "Seattle", "St. Louis", "Tampa", "Tucson", "Tulsa"],
     "region": ["AL", "AZ", "CA", "CO", "CT", "FL", "GA", "IL", "IN", "KY", "LA", "MA", "MD", "MI", "MN", "MO", "NC", "NJ", "NV", "NY", "OH", "OK", "OR", "PA", "TN", "TX", "VA", "WA", "WI"],
     "postal-code": [
-      { "format": "10000" },
-      { "format": "10000-0000", "weight": 0.3 }
+      { "format": "{int(10000,99999)}" },
+      { "format": "{int(10000,99999)}-{digits(4)}", "weight": 0.3 }
     ]
   }
 ]