<span class="hljs-string">&#x27;a&#x27;</span>;
<span class="hljs-string">&#x27;\n&#x27;</span>;
<span class="hljs-string">&#x27;\x1A&#x27;</span>;
<span class="hljs-string">&#x27;\u12AS&#x27;</span>;
<span class="hljs-string">&#x27;\U1234ASDF&#x27;</span>;
<span class="hljs-string">b&#x27;a&#x27;</span>;

<span class="hljs-string">&quot;hello&quot;</span>;
<span class="hljs-string">b&quot;hello&quot;</span>;

<span class="hljs-string">r&quot;hello&quot;</span>;
<span class="hljs-string">r###&quot;world&quot;###</span>;
<span class="hljs-string">r##&quot; &quot;###
&quot;# &quot;##</span>;

<span class="hljs-string">br&quot; &quot;</span>;
<span class="hljs-string">br#&quot;hello&quot;#</span>;
<span class="hljs-string">br##&quot;foo&quot;##</span>;

<span class="hljs-meta">#[error(<span class="hljs-string">&quot;\&quot; appears in a string&quot;</span>)]</span>
