<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><anchor>比較</anchor><rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">comparison</rt></rubyb></dfn>とは、複数の対象が何らかの意味で<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">等価</anchor>であるかどうか
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">一致</anchor>するかどうか)
を決定する<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">演算</anchor>です。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">比較</anchor>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">照合順序</anchor>の決定の基礎となる<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">演算</anchor>でもあります。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">比較</anchor>はしばしば<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">正規化</anchor> (<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">正準化</anchor>) と組み合わさっています。</p><figure class="list short"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">比較</anchor></figcaption><ul><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">同一性</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">文字の同定</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">文字列の比較</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">byte less than</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">URLの比較</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">legacy-uppercased-byte less than</anchor></li><li><code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&lt;=&gt;</anchor></code></li><li><code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">cmp</anchor></code></li><li><code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&lt;</anchor></code>, <code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;</anchor></code></li><li><code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&lt;=</anchor></code>, <code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;=</anchor></code></li><li><code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">lt</anchor></code>, <code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">gt</anchor></code></li><li><code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">le</anchor></code>, <code class="perl"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ge</anchor></code></li><li><code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">==</anchor></code>, <code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">!=</anchor></code>, <code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&lt;&gt;</anchor></code></li><li><code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">eq</anchor></code>, <code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ne</anchor></code></li><li><code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">===</anchor></code>, <code>!==</code></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">同じ起源</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">同じ起源ドメイン</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">XPathにおける比較</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PRECIS比較</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">実体タグの比較</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">紀年法の同定</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">日時の比較</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">same site</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">文字の名前</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">数値特性</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">別名<title xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:">特性 (UCD)</title></anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">言語タグの一致</anchor></li></ul></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> 関連:
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">同定</anchor>,
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">識別</anchor></p></body></html>