File

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−---
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−labels:
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−- 'Stage-Alpha'
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−summary: 'Require MUC occupant nicknames to match a specific pattern'
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−---
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−
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−Introduction
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−============
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−
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−This checks the nickname of a joining user against a configurable
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−[Lua pattern](https://www.lua.org/manual/5.2/manual.html#6.4.1), and prevents
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−them from joining if it does not match.
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−
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−Configuration
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−=============
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−
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−There is a single configuration option, `muc_restrict_nick_pattern` and the
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−default is `"^%w+$"` - i.e. allow only alphanumeric characters in nicknames.
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−
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−Compatibility
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−=============
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−
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−Requires Prosody 0.11 or higher.