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-rw-r--r--python/fatcat_tools/normal.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/python/fatcat_tools/normal.py b/python/fatcat_tools/normal.py
index e65af8d6..10a90dba 100644
--- a/python/fatcat_tools/normal.py
+++ b/python/fatcat_tools/normal.py
@@ -55,7 +55,7 @@ def clean_doi(raw):
# will likely want to expand DOI_REGEX to exclude non-ASCII characters, but
# for now block specific characters so we can get PubMed importer running
# again.
- if 'ä' in raw:
+ if 'ä' in raw or '\u200e' in raw:
return None
return raw
@@ -71,6 +71,8 @@ def test_clean_doi():
assert clean_doi("doi:10.1234/ asdf ") == None
assert clean_doi("10.4149/gpb¬_2017042") == None # "logical negation" character
assert clean_doi("10.6002/ect.2020.häyry") == None # this example via pubmed (pmid:32519616)
+ assert clean_doi("10.30466/vrf.2019.98547.2350\u200e") == None
+
ARXIV_ID_REGEX = re.compile(r"^(\d{4}.\d{4,5}|[a-z\-]+(\.[A-Z]{2})?/\d{7})(v\d+)?$")