fix: narrow space-before-punctuation regex to commas only

; and : have no known use case in name string_format patterns.
Matching only \s+, keeps the fix scoped to the reported issue.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: derek73

nameparser/config/regexes.py

@@ -22,7 +22,7 @@
     ("period_not_at_end",re.compile(r'.*\..+$', re.I | re.U)),
     ("emoji",re_emoji),
     ("phd", re.compile(r'\s(ph\.?\s+d\.?)', re.I | re.U)),
-    ("space_before_punct", re.compile(r'\s+([,;:])', re.U)),
+    ("space_before_comma", re.compile(r'\s+,', re.U)),
 ])
 """
 All regular expressions used by the parser are precompiled and stored in the config.

nameparser/parser.py

@@ -189,7 +189,7 @@ def __str__(self) -> str:
             _s = self.string_format.format(**self.as_dict())
             # remove trailing punctuation from missing nicknames
             _s = _s.replace(str(self.C.empty_attribute_default), '').replace(" ()", "").replace(" ''", "").replace(' ""', "")
-            _s = self.C.regexes.space_before_punct.sub(r'\1', _s)
+            _s = self.C.regexes.space_before_comma.sub(',', _s)
             return self.collapse_whitespace(_s).strip(', ')
         return " ".join(self)