diff --git a/client/src/local-businesses/local-business-item.js b/client/src/local-businesses/local-business-item.js
index 03ec0a4..ec26ae1 100644
--- a/client/src/local-businesses/local-business-item.js
+++ b/client/src/local-businesses/local-business-item.js
@@ -63,14 +63,6 @@ customElements.define('local-business-item', class extends Component {
         `);
     }
 
-    connectedCallback() {
-        super.connectedCallback();
-    }
-
-    attributeChangedCallback(name, oldV, newV) {
-        super.attributeChangedCallback(name, oldV, newV);
-    }
-
     get price() {
         const n = parseInt(this.getAttribute('price'));
         return isNaN(n) ? 0 : n;
@@ -103,4 +95,8 @@ customElements.define('local-business-item', class extends Component {
         const el = this.shadowRoot.querySelector('#img');
         el.src = v;
     }
+
+    matches(text) {
+        return !!this.name.match(text)
+    }
 });
diff --git a/client/src/local-businesses/local-business.js b/client/src/local-businesses/local-business.js
index b262619..6f28149 100644
--- a/client/src/local-businesses/local-business.js
+++ b/client/src/local-businesses/local-business.js
@@ -60,4 +60,14 @@ customElements.define('local-business', class extends Component {
     set service_id(v) {
         this.setAttribute('service-id', v);
     }
+
+    get description() {
+        return Array.from(this.querySelectorAll('[slot=description]')).map(el => el.textContent);
+    }
+
+    matches(regex) {
+        return this.name.match(regex) ||
+            this.description.any(s => s.match(regex)) ||
+            Array.from(this.querySelectorAll('local-business-item')).any(el => el.matches(regex));
+    }
 });
diff --git a/client/src/local-businesses/local-businesses.js b/client/src/local-businesses/local-businesses.js
index 200b139..8403b49 100644
--- a/client/src/local-businesses/local-businesses.js
+++ b/client/src/local-businesses/local-businesses.js
@@ -38,7 +38,7 @@ customElements.define('local-business-list', class extends Component {
             </style>
             <article>
                 <section>
-                    <input type="text" id="filter" placeholder="Filtruj" />
+                    <input type="text" id="filter" placeholder="Znajdź (wyrażenia regularne są wspierane)" />
                 </section>
                 <section id="items">
                     <slot name="business"></slot>
@@ -86,8 +86,7 @@ customElements.define('local-business-list', class extends Component {
         } else {
             this.setAttribute('filter', value);
             for (const el of this.querySelectorAll('local-business')) {
-                if (!el.name) continue;
-                if (el.name.includes(value)) {
+                if (el.matches(new RegExp(value))) {
                     el.setAttribute('local-business-visible', 'visible');
                 } else {
                     el.setAttribute('local-business-visible', 'invisible');
diff --git a/client/src/marketplace/marketplace-offer.js b/client/src/marketplace/marketplace-offer.js
index d0d4fe9..001078a 100644
--- a/client/src/marketplace/marketplace-offer.js
+++ b/client/src/marketplace/marketplace-offer.js
@@ -232,4 +232,8 @@ customElements.define('marketplace-offer', class extends Component {
         }
         return '';
     }
+
+    matches(regex) {
+        return !!this.description.match(regex)
+    }
 });
diff --git a/client/src/poly.js b/client/src/poly.js
index a8da5e5..65868ff 100644
--- a/client/src/poly.js
+++ b/client/src/poly.js
@@ -15,8 +15,32 @@ Object.defineProperties(Object.prototype, {
 })
 
 Object.defineProperties(Array.prototype, {
-    'last': { get() { return this[this.length - 1] } },
-    'tail': { get() { return this[this.length - 1] } },
-    'first': { get() { return this[0] } },
-    'head': { get() { return this[0] } },
+    'last': {
+        get() {
+            return this[this.length - 1]
+        }
+    },
+    'tail': {
+        get() {
+            return this[this.length - 1]
+        }
+    },
+    'first': {
+        get() {
+            return this[0]
+        }
+    },
+    'head': {
+        get() {
+            return this[0]
+        }
+    },
+    'any': {
+        value(cb) {
+            for (const el of this) {
+                if (cb(el)) return true;
+            }
+            return false;
+        }
+    }
 })