Disallow trailing hyphens or apostrophes (and do not care about single character "words")

Author: yarikoptic

codespell_lib/_codespell.py

@@ -53,7 +53,9 @@
     __version__ as VERSION,  # noqa: N812
 )
 
-word_regex_def = r"\w[\w\-'’]*"  # noqa: RUF001
+# We do not care about single character words, and words should not
+# have leading or trailing hyphens or apostrophes.
+word_regex_def = r"\w[\w\-'’]*\w"  # noqa: RUF001
 # While we want to treat characters like ( or " as okay for a starting break,
 # these may occur unescaped in URIs, and so we are more restrictive on the
 # endpoint.  Emails are more restrictive, so the endpoint remains flexible.

codespell_lib/tests/test_basic.py

@@ -119,6 +119,9 @@ def test_basic(
     with fname.open("w") as f:  # overwrite the file
         f.write("var = 'nwe must check codespell likes escapes nin strings'\n")
     assert cs.main(fname) == 2, "checking our string escape test word is bad"
+    with fname.open("w") as f:  # overwrite the file
+        f.write("fully 'nwe' quoted, or end nwe' quoted\n")
+    assert cs.main(fname) == 2, "fully or end quoted should be detected"
     # the first one is missed because the apostrophe means its not currently
     # treated as a word on its own
     with fname.open("w") as f:  # overwrite the file