owercase_ascii" class="anchor"></a><code><span><span class="keyword">val</span> lowercase_ascii : <span>string <span class="arrow">&#45;&gt;</span></span> string</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-equal_caseless"><a href="#val-equal_caseless" class="anchor"></a><code><span><span class="keyword">val</span> equal_caseless : <span>string <span class="arrow">&#45;&gt;</span></span> <span>string <span class="arrow">&#45;&gt;</span></span> bool</span></code></