blurb

eendebakpt · eendebakpt · commit e7ca3efb32c4 · 2026-05-05T20:40:29.000+02:00
diff --git a/Misc/NEWS.d/next/Library/2026-05-05-18-39-52.gh-issue-149427.0ggedQ.rst b/Misc/NEWS.d/next/Library/2026-05-05-18-39-52.gh-issue-149427.0ggedQ.rst
@@ -0,0 +1,3 @@
+Speed up :func:`re.compile` of patterns with character ranges by replacing
+the per-byte loop in :mod:`!re._compiler` with a single bytearray slice
+fill.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+Speed up :func:`re.compile` of patterns with character ranges by replacing
	`2`	+the per-byte loop in :mod:`!re._compiler` with a single bytearray slice
	`3`	`+fill.`