diff --git a/src/screens/Assignment/View.js b/src/screens/Assignment/View.js
index b4ecdbe..a84cd25 100644
--- a/src/screens/Assignment/View.js
+++ b/src/screens/Assignment/View.js
@@ -86,7 +86,7 @@ function View({ assignment, dropzone, layoutType }) {
           <Typography sx={subHeaderTypography} variant="body1" component="div">
             <strong>Data de entrega: </strong>
             {capitalizeFirstLetter(
-              dayjs(assignment.dueDate).format('dddd, DD/MM | HH:mm[h]')
+              dayjs(assignment.dueDate).format('dddd, DD/MM, HH:mm[h]')
             )}
           </Typography>
         </Stack>
diff --git a/src/screens/professor/Classroom/AssignmentsTab/index.js b/src/screens/professor/Classroom/AssignmentsTab/index.js
index 33ee9fa..5fd9e52 100644
--- a/src/screens/professor/Classroom/AssignmentsTab/index.js
+++ b/src/screens/professor/Classroom/AssignmentsTab/index.js
@@ -148,7 +148,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
@@ -196,7 +196,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
@@ -326,7 +326,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
@@ -374,7 +374,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
diff --git a/src/screens/student/Classroom/AssignmentsTab/index.js b/src/screens/student/Classroom/AssignmentsTab/index.js
index 19757b4..6b27724 100644
--- a/src/screens/student/Classroom/AssignmentsTab/index.js
+++ b/src/screens/student/Classroom/AssignmentsTab/index.js
@@ -122,7 +122,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
@@ -170,7 +170,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
@@ -294,7 +294,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
@@ -342,7 +342,7 @@ function AssignmentsTab({ assignmentsTabData, layoutType }) {
                         >
                           <strong>Data de entrega: </strong>{' '}
                           {capitalizeFirstLetter(
-                            dayjs(a.dueDate).format('dddd, DD/MM | HH:mm[h]')
+                            dayjs(a.dueDate).format('dddd, DD/MM, HH:mm[h]')
                           )}
                         </Typography>
                         <Typography
diff --git a/src/utils/validations.js b/src/utils/validations.js
index c23916f..0a39921 100644
--- a/src/utils/validations.js
+++ b/src/utils/validations.js
@@ -7,7 +7,7 @@ function hasUpperCase(str) {
 }
 
 function hasSpecialChars(str) {
-  const specialChars = /[`!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?~]/;
+  const specialChars = /[`!@#$%^&*()_+\-=[\]{};':"\\|,.<>/?~]/;
   return specialChars.test(str);
 }