api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;valuePredicate)</span></div>
<div class="block">Checks whether a header with a specific name and value (or item of the token-separated value list) exists.

 <p>
 For example: <code>containsHeaderString("cache-control", ",", "no-store"::equalsIgnoreCase)</code> will return <code>true</code> if
 a <code>Cache-Control</code> header exists that has the value <code>no-store</code>, the value <co