31 lines
1.1 KiB
TypeScript
31 lines
1.1 KiB
TypeScript
/*
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Copyright 2016 OpenMarket Ltd
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Copyright 2023 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Regexp based on Simpler Version from https://gist.github.com/gregseth/5582254 - matches RFC2822
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const EMAIL_ADDRESS_REGEX = new RegExp(
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"^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*" + // localpart
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"@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$",
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"i",
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);
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export function looksValid(email: string): boolean {
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// short circuit regex with this basic check
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if (email.indexOf("@") < 1) return false;
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return EMAIL_ADDRESS_REGEX.test(email);
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}
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