49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
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/*
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ScheduleTogether Backend
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Copyright (C) 2024, Zervó Zadachin
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DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License version 3
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License version 3 for more details.
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This program incorporates external libraries for certain functionalities.
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These libraries are covered by their respective licenses, and their usage
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agreements are as outlined in their respective documentation or source
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code.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package validation
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import (
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"fmt"
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"regexp"
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)
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// ValidateEmail checks if the provided email address is valid
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func ValidateEmail(email string) error {
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// regex from https://golangcode.com/validate-email-address/
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emailRegex := `^[a-zA-Z0-9.!#$%&'*+/=?^_` + "`" + `{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$`
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// compile the regex
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emailRegexCompiled, err := regexp.Compile(emailRegex)
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if err != nil {
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return err
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}
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if !emailRegexCompiled.MatchString(email) {
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return fmt.Errorf("provided email address is not valid")
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}
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return nil
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}
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