Sort using a custom comparator: Difference between revisions

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=={{header|J}}==
=={{header|J}}==
{{incorrect|J}}

<br>Case-insensitivity is obtained using <tt>lower</tt>, a verb taken from [[Change string case]]. Standard utilities <tt>tolower</tt> or <tt>toupper</tt> may be substituted.
<br>Case-insensitivity is obtained using <tt>lower</tt>, a verb taken from [[Change string case]]. Standard utilities <tt>tolower</tt> or <tt>toupper</tt> may be substituted.