[issue39165] Completeness and symmetry in RE, avoid `findall(...)[0]`

[Juancarlo Añez]

Juancarlo Añez <apalala at gmail.com> added the comment:

The discussion on python-ideas favored the inclusion of `findfirst()`. At any rate, not having a generator version of `findall()` is an important omission.

Another user's search of Github public repositories found that `findall(...)[0]` is prevalent. python-ideas agreed that the cause was the incompleteness/asymmetry in `re`.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39165>
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