diff --git a/frontend/src/locales/en.json b/frontend/src/locales/en.json
index e2f9d564..875866eb 100644
--- a/frontend/src/locales/en.json
+++ b/frontend/src/locales/en.json
@@ -48,7 +48,7 @@
       "emailIsUsed": "This email address is already being used",
       "incorrectEmail": "Incorrect email",
       "incorrectPassword": "Only Latin letters, numbers and punctuation are allowed",
-      "incorrectUsername": "There must be no spaces in the username",
+      "incorrectUsername": "Only Latin letters, numbers and symbols - _ are allowed",
       "passwordLength": "From 8 to 30 characters",
       "requiredField": "Required field",
       "singleWord": "Allowed latin letters, numbers and symbols - _ .",
diff --git a/frontend/src/locales/ru.json b/frontend/src/locales/ru.json
index d4391ccc..cf3bce82 100644
--- a/frontend/src/locales/ru.json
+++ b/frontend/src/locales/ru.json
@@ -48,7 +48,7 @@
       "emailIsUsed": "Этот адрес уже зарегистрирован",
       "incorrectEmail": "Некорректная электронная почта",
       "incorrectPassword": "Допустимы только латинские буквы, цифры и знаки препинания",
-      "incorrectUsername": "В логине не должно быть пробелов",
+      "incorrectUsername": "Допустимы только латинские буквы, цифры, и символы - _",
       "passwordLength": "От 8 до 30 символов",
       "requiredField": "Обязательное поле",
       "singleWord": "Допустимы буквы латинского алфавита, цифры и символы -_ .",
diff --git a/frontend/src/utils/validationSchemas.js b/frontend/src/utils/validationSchemas.js
index a13f929e..227841e5 100644
--- a/frontend/src/utils/validationSchemas.js
+++ b/frontend/src/utils/validationSchemas.js
@@ -4,6 +4,7 @@ import { string } from 'yup';
 
 const USERNAME_MIN_LENGTH = 3;
 const USERNAME_MAX_LENGTH = 16;
+const USERNAME_REGEX = /^[a-zA-Z0-9_-]+$/;
 
 const PASSWORD_MIN_LENGTH = 8;
 const PASSWORD_MAX_LENGTH = 30;
@@ -13,12 +14,10 @@ export const SNIPPET_NAME_MAX_LENGTH = 30;
 
 export const username = () =>
   string()
-    .trim()
     .required('errors.validation.requiredField')
+    .matches(USERNAME_REGEX, 'errors.validation.incorrectUsername')
     .min(USERNAME_MIN_LENGTH, 'errors.validation.usernameLength')
-    .max(USERNAME_MAX_LENGTH, 'errors.validation.usernameLength')
-    .matches(/^[\w\S]*$/, 'errors.validation.incorrectUsername');
-
+    .max(USERNAME_MAX_LENGTH, 'errors.validation.usernameLength');
 export const email = () =>
   string()
     .trim()