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is-domain-name
Advanced tools
is-domain-name
Validate Domain Names as outlined by RFC 2181
npm install is-domain-name
Domain names are composed of labels interleaved with a separator (.
).
Domain as allowed a total length of 255 chars including separators.
Labels should be between 1 and 63 octets.
Labels allows domains to form a hierarchy, with the right most label acting as the root. The leftmost label is often called the TLD (Top-Level Domain), the 2nd leftmost informally called the domain and any label to the right of those called subdomains.
A common domain with only a single label is localhost
.
This module checks the following:
a
is technically allowed, this module does not allow itexample.com.
const assert = require('assert')
const isDomainName = require('is-domain-name')
assert.ok(isDomainName('localhost'))
assert.notOk(isDomainName('-.-'))
Type: String
Type: Boolean
Default: false
Whether or not to validate for a trailing dot, signifying the root
FAQs
Validate Domain Names as outlined by RFC 2181
The npm package is-domain-name receives a total of 6,583 weekly downloads. As such, is-domain-name popularity was classified as popular.
We found that is-domain-name demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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