Fix regexp error

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ## master branch
 
+## 1.4.1
+
+_Released 2019-06-04_
+
+* Fixed an error when the query is pure regexp and it did not match anything.
+
 ## 1.4.0
 
 _Released 2018-05-30_

conflate/osm.py

@@ -200,9 +200,8 @@ class OsmDownloader:
                     found = False
                     for t2 in tag[1:]:
                         if t2[0] == '~':
-                            m = re.search(t2[1:], value)
-                            if not m:
-                                return False
+                            if re.search(t2[1:], value):
+                                found = True
                         elif t2[0] == '!':
                             if t2[1:].lower() in value.lower():
                                 found = True

conflate/version.py

@@ -1 +1 @@
-__version__ = '1.4.0'
+__version__ = '1.4.1'