# 选项允许用户名不必以字母数字字符开始或结束

**URL:** <https://meta.discourse.org/t/option-for-username-not-to-be-required-to-start-or-end-with-alphanumeric/353595>\
**Category:** Feature\
**Created:** [2025年二月21日 12:19 UTC](https://meta.discourse.org/t/option-for-username-not-to-be-required-to-start-or-end-with-alphanumeric/353595 "2025-02-21T12:19:36Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![NubeBuster](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/nubebuster/32/371096_2.png) [@NubeBuster](https://meta.discourse.org/u/NubeBuster)\
**Post date:** [2025年二月22日 19:47 UTC](https://meta.discourse.org/t/option-for-username-not-to-be-required-to-start-or-end-with-alphanumeric/353595/3 "2025-02-22T19:47:58Z")

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我曾经和别人谈论过 Ruby。是否可以通过插件来实现？我听说我可以覆盖函数，就像在这个例子中覆盖验证器一样。这是正确的吗？

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