Merge branch 'master' into less-regex
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 69598c1..3327b19 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
- Python 3.6 support
- Support for text file objects as `load` input. Use binary file objects instead.
- First argument of `load` and `loads` can no longer be passed by keyword.
+- Fixed
+ - Allow lower case "t" and "z" in datetimes
- Improved
- Raise an error when dotted keys define values outside the "current table".
Technically speaking TOML v1.0.0 does allow such assignments
diff --git a/tomli/_re.py b/tomli/_re.py
index c3c2abd..bcec84c 100644
--- a/tomli/_re.py
+++ b/tomli/_re.py
@@ -20,9 +20,9 @@
fr"""
([0-9]{{4}})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01]) # date, e.g. 1988-10-27
(?:
- [T ]
+ [Tt ]
{_TIME_RE_STR}
- (?:(Z)|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))? # optional time offset
+ (?:([Zz])|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))? # optional time offset
)?
""",
flags=re.VERBOSE,
