| 1 | /**
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| 2 | * A regular expression to match a 'mailto:' prefix on an email address.
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| 3 | */
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| 4 | export declare const mailtoSchemePrefixRe: RegExp;
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| 5 | /**
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| 6 | * Determines if the given character may start the "local part" of an email
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| 7 | * address. The local part is the part to the left of the '@' sign.
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| 8 | *
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| 9 | * Technically according to the email spec, any of the characters in the
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| 10 | * {@link emailLocalPartCharRegex} can start an email address (including any of
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| 11 | * the special characters), but this is so rare in the wild and the
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| 12 | * implementation is much simpler by only starting an email address with a word
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| 13 | * character. This is especially important when matching the '{' character which
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| 14 | * generally starts a brace that isn't part of the email address.
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| 15 | */
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| 16 | export declare function isEmailLocalPartStartChar(char: string): boolean;
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| 17 | /**
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| 18 | * Determines if the given character can be part of the "local part" of an email
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| 19 | * address. The local part is the part to the left of the '@' sign.
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| 20 | */
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| 21 | export declare function isEmailLocalPartChar(char: string): boolean;
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| 22 | /**
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| 23 | * Determines if the given email address is valid. We consider it valid if it
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| 24 | * has a valid TLD in its host.
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| 25 | *
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| 26 | * @param emailAddress email address
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| 27 | * @return true is email have valid TLD, false otherwise
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| 28 | */
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| 29 | export declare function isValidEmail(emailAddress: string): boolean;
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