Document restrictions on node names#10473
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jhogberg merged 1 commit intoerlang:masterfrom Jan 12, 2026
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lib/kernel/src/net_kernel.erl:
valid_name_head(Head) ->
{ok, MP} = re:compile("^[0-9A-Za-z_\\-]+$", [unicode]),
case re:run(Head, MP) of
{match, _} ->
true;
nomatch ->
false
end.
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jhogberg
approved these changes
Dec 15, 2025
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Merged, thanks for the PR! |
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I just got some errors when automatically deriving the nodename from other configuration and the documentation doesn't say what the restrixion actually is.
lib/kernel/src/net_kernel.erl: