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Comment: Published by Scroll Versions from space DEV and version r095

D toc

Excerpt

Finds the value a subdomain value from a valid URL. Input values must be of URL or String type.

In this implementation, a subdomain value is the first group of characters in the URL after any protocol identifiers ( http:// or https://, for example).

D s lang vs sql

D s
snippetBasic

URL literal example:

D lang syntax
RawWrangletrue
Typeref
showNotetrue
WrangleTextderive type:single value: subdomain('http://www.example.com' ) as: 'myDomain'

subdomain('http://www.example.com')

Output: Returns the value: www

D lang syntax
RawWrangletrue
Typeref
showNotetrue
WrangleTextderive type:single value: subdomain('http://www.exampl.e.com') as: 'myDomain'

subdomain('http://www.exampl.e.com')

Output: Returns the value: www.exampl

Column reference example:

D lang syntax
RawWrangletrue
Typeref
showNotetrue
WrangleTextderive type:single value: subdomain(myURLs) as: 'myDomain'

subdomain(myURLs)

Output: Returns the subdomain values extracted from the myURLs column. 

D s
snippetSyntax

D lang syntax
RawWrangletrue
Typesyntax
showNotetrue
WrangleTextderive type:single value: subdomain(column_url)

subdomain(column_url)


ArgumentRequired?Data TypeDescription
column_urlYstringName of column or String or URL literal containing the sub-domain value to extract

D s lang notes

column_url

Name of the column or URL or String literal whose values are used to extract the subdomain value.

  • Missing input values generate missing results.
  • Multiple columns and wildcards are not supported.

D s
snippetusage

 

Required?Data TypeExample Value
YesString literal or column reference (URL)http://www.example.com

D s
snippetExamples

Example - Domain, Subdomain, Host, and Suffix functions

Include Page
EXAMPLE - Domain Functions
EXAMPLE - Domain Functions

D s also
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