bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure by animalize · Pull Request #32283 · python/cpython
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_CompileData can store intermediate data.
-_validate_inner(SRE_CODE *code, SRE_CODE *end, Py_ssize_t groups) +_validate_inner(SRE_CODE *code, SRE_CODE *end, PatternObject *self)
| self.assertEqual(get_debug_out(r'(?:ab)*(?:cd)*'), '''\ | ||
| MAX_REPEAT 0 MAXREPEAT | ||
| self.assertEqual(get_debug_out(r'(?:ab)*?(?:cd)*'), '''\ | ||
| MIN_REPEAT 0 MAXREPEAT |