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Methods

analyzeDomain(domain, [options])

Analyzes a string to verify it is a valid domain name where:

  • domain - the domain name string being verified.
  • options - optional settings:
    • allowUnicode - if false, Unicode characters are not allowed in domain names. Defaults to true.
    • allowUnderscore - if false, underscore (_) characters will not be allowed in the domain name. Defaults to false.
    • minDomainSegments - the minimum number of domain segments (e.g. x.y.z has 3 segments) required. Defaults to 2.
    • tlds - options to validate the top-level-domain segment (e.g. com in example.com) where:
      • deny - a Set with strings matching forbidden TLD values (all non-matching values are allowed).
      • allow - a Set with strings matching the only allowed TLD values.

If the domain is valid, no return value. If the domain is invalid, an object is returned with:

  • error - a string containing the reason the domain is invalid.

isDomainValid(domain, [options])

Validates a string to verify it is a valid domain name where:

  • domain - the domain name string being verified.
  • options - same options as analyzeDomain().

analyzeEmail(email, [options])

Analyzes a string to verify it is a valid email address where:

  • email - the email address string being verified.
  • options - optional settings:
    • allowUnicode - if false, Unicode characters are not allowed in the email address local and domain parts. Defaults to true.
    • allowUnderscore - if false, underscore (_) characters will not be allowed in the domain name. Defaults to false.
    • ignoreLength - if true, the standards email maximum length limit is ignored. Defaults to true.
    • minDomainSegments - the minimum number of domain segments (e.g. x.y.z has 3 segments) required in the domain part. Defaults to 2.
    • tlds - options to validate the top-level-domain segment (e.g. com in example.com) where:
      • deny - a Set with strings matching forbidden TLD values (all non-matching values are allowed).
      • allow - a Set with strings matching the only allowed TLD values.

If the email is valid, no return value. If the email is invalid, an object is returned with:

  • error - a string containing the reason the email is invalid.

isEmailValid(email, [options])

Validates a string to verify it is a valid email address where:

  • email - the email address string being verified.
  • options - same options as analyzeEmail().

errorCodes

An object containing a key per error code with a matching string value description.