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Title: gh-139489: Add xml.is_valid_name() by serhiy-storchaka · Pull Request #139768 · python/cpython · GitHub

Open Graph Title: gh-139489: Add xml.is_valid_name() by serhiy-storchaka · Pull Request #139768 · python/cpython

X Title: gh-139489: Add xml.is_valid_name() by serhiy-storchaka · Pull Request #139768 · python/cpython

Description: It allows to check whether a string can be used as an element or attribute name in XML. Issue: gh-139489 📚 Documentation preview 📚: https://cpython-previews--139768.org.readthedocs.build/

Open Graph Description: It allows to check whether a string can be used as an element or attribute name in XML. Issue: gh-139489 📚 Documentation preview 📚: https://cpython-previews--139768.org.readthedocs.build/

X Description: It allows to check whether a string can be used as an element or attribute name in XML. Issue: gh-139489 📚 Documentation preview 📚: https://cpython-previews--139768.org.readthedocs.build/

Opengraph URL: https://github.com/python/cpython/pull/139768

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c7cbb61 gh-139489: Add xml.sax.utils.is_valid_name() serhiy-storchaka Oct 8, 2025 https://github.com/python/cpython/pull/139768/commits/c7cbb61a68213a80d5e76ae0ae66a89daa3aa7cf
4f37eed Fix references. serhiy-storchaka Oct 8, 2025 https://github.com/python/cpython/pull/139768/commits/4f37eed421f9353f13719777ee66a2919e8912c2
6ac604e dd serhiy-storchaka Apr 30, 2026 https://github.com/python/cpython/pull/139768/commits/6ac604e2d85b673bff1662d058308c3de7630fe9
e814cfa Move to the toplevel xml module. serhiy-storchaka Apr 30, 2026 https://github.com/python/cpython/pull/139768/commits/e814cfa888c30e021493b4a9bac7a1d68a291ec7
bc26874 Use possesive quantifier for optimization. serhiy-storchaka Apr 30, 2026 https://github.com/python/cpython/pull/139768/commits/bc26874c80206e77f5c1d4fbbb1748249768d941
b631754 Merge branch 'main' into xml-sax-utils-is_valid_name serhiy-storchaka May 1, 2026 https://github.com/python/cpython/pull/139768/commits/b63175427bbe060d6b2e820f33b24e598ca777d2
8db41b9 Merge branch 'main' into xml-sax-utils-is_valid_name serhiy-storchaka May 2, 2026 https://github.com/python/cpython/pull/139768/commits/8db41b9421888b604aa9717074a9a41e7ea4635e
7e96492 Apply suggestions from code review serhiy-storchaka May 2, 2026 https://github.com/python/cpython/pull/139768/commits/7e964920cc5119d39b2b49e9feb3b4bb6f9fbb5f
3245a65 Import re as _re. serhiy-storchaka May 4, 2026 https://github.com/python/cpython/pull/139768/commits/3245a65da4acc3796432a7716ee9211ceb386f31
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