diff --git a/src/portal/src/app/base/left-side-nav/projects/create-project/create-project.component.html b/src/portal/src/app/base/left-side-nav/projects/create-project/create-project.component.html
index 51f28e20a..e09a4bd69 100644
--- a/src/portal/src/app/base/left-side-nav/projects/create-project/create-project.component.html
+++ b/src/portal/src/app/base/left-side-nav/projects/create-project/create-project.component.html
@@ -21,7 +21,7 @@
                             name="create_project_name"
                             class="clr-input input-width"
                             required
-                            pattern="^[a-z0-9]+(?:[._-][a-z0-9]+)*$"
+                            pattern="^[a-z0-9]+(?:[._\-][a-z0-9]+)*$"
                             #projectName
                             autocomplete="off" />
                         <clr-icon
diff --git a/src/portal/src/app/base/left-side-nav/replication/replication/create-edit-rule/create-edit-rule.component.html b/src/portal/src/app/base/left-side-nav/replication/replication/create-edit-rule/create-edit-rule.component.html
index a08f281cd..3bfcbb213 100644
--- a/src/portal/src/app/base/left-side-nav/replication/replication/create-edit-rule/create-edit-rule.component.html
+++ b/src/portal/src/app/base/left-side-nav/replication/replication/create-edit-rule/create-edit-rule.component.html
@@ -26,7 +26,7 @@
                             type="text"
                             id="ruleName"
                             size="35"
-                            pattern="^[a-z0-9]+(?:[._-][a-z0-9]+)*$"
+                            pattern="^[a-z0-9]+(?:[._\-][a-z0-9]+)*$"
                             required
                             maxlength="255"
                             formControlName="name"
diff --git a/src/portal/src/app/base/left-side-nav/system-robot-accounts/new-robot/new-robot.component.html b/src/portal/src/app/base/left-side-nav/system-robot-accounts/new-robot/new-robot.component.html
index a3cb1a986..0112e887e 100644
--- a/src/portal/src/app/base/left-side-nav/system-robot-accounts/new-robot/new-robot.component.html
+++ b/src/portal/src/app/base/left-side-nav/system-robot-accounts/new-robot/new-robot.component.html
@@ -70,7 +70,7 @@
                                 id="name"
                                 [(ngModel)]="systemRobot.name"
                                 required
-                                pattern="^[a-z0-9]+(?:[._-][a-z0-9]+)*$"
+                                pattern="^[a-z0-9]+(?:[._\-][a-z0-9]+)*$"
                                 maxLengthExt="255"
                                 autocomplete="off"
                                 size="30"
diff --git a/src/portal/src/app/base/project/robot-account/add-robot/add-robot.component.html b/src/portal/src/app/base/project/robot-account/add-robot/add-robot.component.html
index a399d6eef..fd27bd417 100644
--- a/src/portal/src/app/base/project/robot-account/add-robot/add-robot.component.html
+++ b/src/portal/src/app/base/project/robot-account/add-robot/add-robot.component.html
@@ -73,7 +73,7 @@
                                 id="name"
                                 [(ngModel)]="robot.name"
                                 required
-                                pattern="^[a-z0-9]+(?:[._-][a-z0-9]+)*$"
+                                pattern="^[a-z0-9]+(?:[._\-][a-z0-9]+)*$"
                                 maxLengthExt="255"
                                 autocomplete="off"
                                 size="30"