Parse some abbreviated strings as relative dates (#1219)

dateparser/data/date_translation_data/en.py

@@ -800,7 +800,7 @@
             "(?:12\\s+)?midnight": "00:00"
         },
         {
-            "(\\d+[.,]?\\d*)h(\\d+[.,]?\\d*)m?": "\\1:\\2"
+            "(\\d+[.,]?\\d*)h(\\d+[.,]?\\d*)": "\\1:\\2"
         },
         {
             "(?<=from\\s+)now": "in"

dateparser_data/supplementary_language_data/date_translation_data/en.yaml

@@ -67,7 +67,7 @@ simplifications:
     - a: '1'
     - (?:12\s+)?noon: '12:00'
     - (?:12\s+)?midnight: '00:00'
-    - (\d+[.,]?\d*)h(\d+[.,]?\d*)m?: \1:\2
+    - (\d+[.,]?\d*)h(\d+[.,]?\d*): \1:\2
     - (?<=from\s+)now: in
     - less than 1 minute ago: 45 second ago
     - (\d+[.,]?\d*) (decade|year|month|week|day|hour|minute|second)s? later: in \1 \2

tests/test_languages.py

@@ -1088,6 +1088,14 @@ def test_translation(self, shortname, datetime_string, expected_translation):
             param("en", "day before yesterday", "2 day ago"),
             param("en", "last month", "1 month ago"),
             param("en", "less than a minute ago", "45 second ago"),
+            param("en", "10h11", "10:11"),
+            param("en", "10h11m", "10 hour 11 minute"),
+            param("en", "3d8h2m", "3 day 8 hour 2 minute"),
+            param("en", "5d9h59m10s", "5 day 9 hour 59 minute 10 second"),
+            param("en", "3d1h", "3 day 1 hour"),
+            param("en", "3d29m", "3 day 29 minute"),
+            param("en", "1.5d10s", "1.5 day 10 second"),
+            param("en", "7m1s", "7 minute 1 second"),
             # German
             param("de", "vorgestern", "2 day ago"),
             param("de", "heute", "0 day ago"),