gristlabs_grist-core/app/client/lib/nameUtils.ts

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