24 lines
535 B
TypeScript
24 lines
535 B
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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export const MAX_USERNAME = 26;
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export const MIN_USERNAME = 4;
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export function isValidUsername(searchTerm: string): boolean {
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return /^[a-z_][0-9a-z_]{3,25}$/.test(searchTerm);
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}
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export function getUsernameFromSearch(searchTerm: string): string | undefined {
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if (/^[+0-9]+$/.test(searchTerm)) {
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return undefined;
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}
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const match = /^@?(.*?)@?$/.exec(searchTerm);
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if (match && match[1]) {
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return match[1];
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}
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return undefined;
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}
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