diff --git a/src/models/page.js b/src/models/page.js
index b186b99..793c058 100644
--- a/src/models/page.js
+++ b/src/models/page.js
@@ -86,7 +86,8 @@ class Page {
     this.title = this.extractTitleFromBody();
     this.uri = uri || translateString(this.title
       .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
+      .replace(/[^a-zA-Z0-9А-Яа-яЁё ]/g, ' ')
+      .replace(/  +/g, ' ')
       .trim()
       .toLowerCase()
       .split(' ')
diff --git a/test/models/page.js b/test/models/page.js
index f8a850a..0f12f4d 100644
--- a/test/models/page.js
+++ b/test/models/page.js
@@ -7,6 +7,18 @@ const {pages} = require('../../src/utils/database');
 const translateString = require('../../src/utils/translation');
 
 describe('Page model', () => {
+
+  const transformToUri = (string) => {
+    return translateString(string
+      .replace(/ /g, ' ')
+      .replace(/[^a-zA-Z0-9А-Яа-яЁё ]/g, ' ')
+      .replace(/  +/g, ' ')
+      .trim()
+      .toLowerCase()
+      .split(' ')
+      .join('-'));
+  };
+
   after(() => {
     const pathToDB = path.resolve(__dirname, '../../', config.database, './pages.db');
 
@@ -60,13 +72,7 @@ describe('Page model', () => {
 
     expect(data._id).to.equal(initialData._id);
     expect(data.title).to.equal(initialData.body.blocks[0].data.text);
-    expect(data.uri).to.equal(translateString(initialData.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(data.uri).to.equal(transformToUri(initialData.body.blocks[0].data.text));
     expect(data.body).to.deep.equal(initialData.body);
     expect(data.parent).to.be.undefined;
 
@@ -96,13 +102,7 @@ describe('Page model', () => {
 
     expect(data._id).to.equal(initialData._id);
     expect(data.title).to.equal(update.body.blocks[0].data.text);
-    expect(data.uri).to.equal(translateString(update.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(data.uri).to.equal(transformToUri(update.body.blocks[0].data.text));
     expect(data.body).to.equal(update.body);
     expect(data.parent).to.be.undefined;
   });
@@ -126,13 +126,7 @@ describe('Page model', () => {
 
     expect(savedPage._id).not.be.undefined;
     expect(savedPage.title).to.equal(initialData.body.blocks[0].data.text);
-    expect(savedPage.uri).to.equal(translateString(initialData.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(savedPage.uri).to.equal(transformToUri(initialData.body.blocks[0].data.text));
     expect(savedPage.body).to.equal(initialData.body);
     expect(page._id).not.be.undefined;
 
@@ -196,13 +190,7 @@ describe('Page model', () => {
     const secondPage = new Page(initialData);
     let secondSavedPage = await secondPage.save();
 
-    expect(secondSavedPage.uri).to.equal(translateString(initialData.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')) + '-1');
+    expect(secondSavedPage.uri).to.equal(transformToUri(initialData.body.blocks[0].data.text) + '-1');
 
     const newUri = 'new-uri';
 
@@ -214,13 +202,7 @@ describe('Page model', () => {
     const thirdPage = new Page(initialData);
     let thirdSavedPage = await thirdPage.save();
 
-    expect(thirdSavedPage.uri).to.equal(translateString(initialData.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(thirdSavedPage.uri).to.equal(transformToUri(initialData.body.blocks[0].data.text));
   });
 
   it('Static get method', async () => {
@@ -246,13 +228,7 @@ describe('Page model', () => {
 
     expect(data._id).to.equal(savedPage._id);
     expect(data.title).to.equal(initialData.body.blocks[0].data.text);
-    expect(data.uri).to.equal(translateString(initialData.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(data.uri).to.equal(transformToUri(initialData.body.blocks[0].data.text));
     expect(data.body).to.deep.equal(initialData.body);
 
     await page.destroy();
@@ -293,13 +269,7 @@ describe('Page model', () => {
     expect(foundPages.length).to.equal(2);
     foundPages.forEach((page, i) => {
       expect(page.title).to.equal(pagesToSave[i].body.blocks[0].data.text);
-      expect(page.uri).to.equal(translateString(pagesToSave[i].body.blocks[0].data.text
-        .replace(/ /g, ' ')
-        .replace(/-/g, ' ')
-        .trim()
-        .toLowerCase()
-        .split(' ')
-        .join('-')));
+      expect(page.uri).to.equal(transformToUri(pagesToSave[i].body.blocks[0].data.text));
       expect(page.body).to.deep.equal(pagesToSave[i].body);
     });
   });
@@ -344,13 +314,7 @@ describe('Page model', () => {
 
     expect(testedParent._id).to.equal(parentId);
     expect(testedParent.title).to.equal(parent.body.blocks[0].data.text);
-    expect(testedParent.uri).to.equal(translateString(parent.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(testedParent.uri).to.equal(transformToUri(parent.body.blocks[0].data.text));
     expect(testedParent.body).to.deep.equal(parent.body);
 
     const children = await parent.children;
@@ -361,13 +325,7 @@ describe('Page model', () => {
 
     expect(testedChild._id).to.equal(childId);
     expect(testedChild.title).to.equal(child.body.blocks[0].data.text);
-    expect(testedChild.uri).to.equal(translateString(child.body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(testedChild.uri).to.equal(transformToUri(child.body.blocks[0].data.text));
     expect(testedChild.body).to.deep.equal(child.body);
     expect(testedChild._parent).to.equal(child._parent);
     expect(testedChild._parent).to.equal(parent._id);
diff --git a/test/rest/pages.js b/test/rest/pages.js
index 5782b22..051bbc2 100644
--- a/test/rest/pages.js
+++ b/test/rest/pages.js
@@ -13,6 +13,16 @@ chai.use(chaiHTTP);
 
 describe('Pages REST: ', () => {
   let agent;
+  const transformToUri = (string) => {
+    return translateString(string
+      .replace(/ /g, ' ')
+      .replace(/[^a-zA-Z0-9А-Яа-яЁё ]/g, ' ')
+      .replace(/  +/g, ' ')
+      .trim()
+      .toLowerCase()
+      .split(' ')
+      .join('-'));
+  };
 
   before(async () => {
     agent = chai.request.agent(app);
@@ -50,13 +60,7 @@ describe('Pages REST: ', () => {
     expect(success).to.be.true;
     expect(result._id).to.be.a('string');
     expect(result.title).to.equal(body.blocks[0].data.text);
-    expect(result.uri).to.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(result.uri).to.equal(transformToUri(body.blocks[0].data.text));
     expect(result.body).to.deep.equal(body);
 
     const createdPage = await model.get(result._id);
@@ -64,13 +68,7 @@ describe('Pages REST: ', () => {
     expect(createdPage).not.be.null;
     expect(createdPage._id).to.equal(result._id);
     expect(createdPage.title).to.equal(body.blocks[0].data.text);
-    expect(createdPage.uri).to.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(createdPage.uri).to.equal(transformToUri(body.blocks[0].data.text));
     expect(createdPage.body).to.deep.equal(body);
 
     createdPage.destroy();
@@ -124,13 +122,7 @@ describe('Pages REST: ', () => {
 
     expect(foundPage._id).to.equal(_id);
     expect(foundPage.title).to.equal(body.blocks[0].data.text);
-    expect(foundPage.uri).to.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(foundPage.uri).to.equal(transformToUri(body.blocks[0].data.text));
     expect(foundPage.body).to.deep.equal(body);
 
     foundPage.destroy();
@@ -194,13 +186,7 @@ describe('Pages REST: ', () => {
     expect(result._id).to.equal(_id);
     expect(result.title).not.equal(body.blocks[0].data.text);
     expect(result.title).to.equal(updatedBody.blocks[0].data.text);
-    expect(result.uri).not.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(result.uri).not.equal(transformToUri(body.blocks[0].data.text));
     expect(result.uri).to.equal(updatedUri);
     expect(result.body).not.equal(body);
     expect(result.body).to.deep.equal(updatedBody);
@@ -210,13 +196,7 @@ describe('Pages REST: ', () => {
     expect(updatedPage._id).to.equal(_id);
     expect(updatedPage.title).not.equal(body.blocks[0].data.text);
     expect(updatedPage.title).to.equal(updatedBody.blocks[0].data.text);
-    expect(updatedPage.uri).not.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(updatedPage.uri).not.equal(transformToUri(body.blocks[0].data.text));
     expect(updatedPage.uri).to.equal(updatedUri);
     expect(updatedPage.body).not.equal(body);
     expect(updatedPage.body).to.deep.equal(updatedBody);
@@ -256,13 +236,7 @@ describe('Pages REST: ', () => {
 
     expect(secondPageSuccess).to.be.true;
     expect(secondPageResult.title).to.equal(body.blocks[0].data.text);
-    expect(secondPageResult.uri).to.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')) + '-1');
+    expect(secondPageResult.uri).to.equal(transformToUri(body.blocks[0].data.text) + '-1');
     expect(secondPageResult.body).to.deep.equal(body);
 
     const newFirstPageUri = 'New uri';
@@ -285,13 +259,7 @@ describe('Pages REST: ', () => {
 
     expect(thirdPageSuccess).to.be.true;
     expect(thirdPageResult.title).to.equal(body.blocks[0].data.text);
-    expect(thirdPageResult.uri).to.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(thirdPageResult.uri).to.equal(transformToUri(body.blocks[0].data.text));
     expect(thirdPageResult.body).to.deep.equal(body);
   });
 
@@ -350,13 +318,7 @@ describe('Pages REST: ', () => {
     expect(success).to.be.true;
     expect(result._id).to.be.undefined;
     expect(result.title).to.equal(body.blocks[0].data.text);
-    expect(result.uri).to.equal(translateString(body.blocks[0].data.text
-      .replace(/ /g, ' ')
-      .replace(/-/g, ' ')
-      .trim()
-      .toLowerCase()
-      .split(' ')
-      .join('-')));
+    expect(result.uri).to.equal(transformToUri(body.blocks[0].data.text));
     expect(result.body).to.deep.equal(body);
 
     const deletedPage = await model.get(_id);