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15 lines
558 B
TypeScript
15 lines
558 B
TypeScript
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/**
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* We allow alphanumeric characters and certain common whitelisted characters (except at the start),
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* plus everything non-ASCII (for non-English alphabets, which we want to allow but it's hard to be
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* more precise about what exactly to allow).
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*/
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// eslint-disable-next-line no-control-regex
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const VALID_NAME_REGEXP = /^(\w|[^\u0000-\u007F])(\w|[- ./'"()]|[^\u0000-\u007F])*$/;
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/**
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* Test name against various rules to check if it is a valid username.
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*/
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export function checkName(name: string): boolean {
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return VALID_NAME_REGEXP.test(name);
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}
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