<span class="hljs-string">"astring"</span> expression <span class="hljs-string">"a <span class="hljs-subst">${ <span class="hljs-string">"string"</span> }</span> <span class="hljs-subst">${<span class="hljs-string">'c'</span>}</span> b"</span> <span class="hljs-string">"a <span class="hljs-subst">${ <span class="hljs-string">"string <span class="hljs-variable">$var</span> <span class="hljs-subst">${subs}</span>"</span> }</span> b"</span> <span class="hljs-string">""" <span class="hljs-subst">${ ${subst}</span> } """</span> <span class="hljs-string">"""f="true""""</span>