diff --git a/src/components-examples/material/sidenav/sidenav-disable-close/sidenav-disable-close-example.ts b/src/components-examples/material/sidenav/sidenav-disable-close/sidenav-disable-close-example.ts
index db846639fc6e..9143b27591db 100644
--- a/src/components-examples/material/sidenav/sidenav-disable-close/sidenav-disable-close-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-disable-close/sidenav-disable-close-example.ts
@@ -17,5 +17,5 @@ export class SidenavDisableCloseExample {
     this.sidenav.close();
   }
 
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }
diff --git a/src/components-examples/material/sidenav/sidenav-fixed/sidenav-fixed-example.ts b/src/components-examples/material/sidenav/sidenav-fixed/sidenav-fixed-example.ts
index 093a1bd3fe27..320224bc0594 100644
--- a/src/components-examples/material/sidenav/sidenav-fixed/sidenav-fixed-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-fixed/sidenav-fixed-example.ts
@@ -18,5 +18,5 @@ export class SidenavFixedExample {
     });
   }
 
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }
diff --git a/src/components-examples/material/sidenav/sidenav-mode/sidenav-mode-example.ts b/src/components-examples/material/sidenav/sidenav-mode/sidenav-mode-example.ts
index b1b01f1c44d9..4c3aee20aa87 100644
--- a/src/components-examples/material/sidenav/sidenav-mode/sidenav-mode-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-mode/sidenav-mode-example.ts
@@ -9,5 +9,5 @@ import {FormControl} from '@angular/forms';
 })
 export class SidenavModeExample {
   mode = new FormControl('over');
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }
diff --git a/src/components-examples/material/sidenav/sidenav-open-close/sidenav-open-close-example.ts b/src/components-examples/material/sidenav/sidenav-open-close/sidenav-open-close-example.ts
index 23577563157a..e404f9b072a3 100644
--- a/src/components-examples/material/sidenav/sidenav-open-close/sidenav-open-close-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-open-close/sidenav-open-close-example.ts
@@ -10,5 +10,5 @@ export class SidenavOpenCloseExample {
   events: string[] = [];
   opened: boolean;
 
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }
diff --git a/src/components-examples/material/sidenav/sidenav-overview/sidenav-overview-example.ts b/src/components-examples/material/sidenav/sidenav-overview/sidenav-overview-example.ts
index 8222f8b9e56c..8feb401d502c 100644
--- a/src/components-examples/material/sidenav/sidenav-overview/sidenav-overview-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-overview/sidenav-overview-example.ts
@@ -7,5 +7,5 @@ import {Component} from '@angular/core';
   styleUrls: ['sidenav-overview-example.css'],
 })
 export class SidenavOverviewExample {
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }
diff --git a/src/components-examples/material/sidenav/sidenav-position/sidenav-position-example.ts b/src/components-examples/material/sidenav/sidenav-position/sidenav-position-example.ts
index 56d0373bb4db..65281fa24408 100644
--- a/src/components-examples/material/sidenav/sidenav-position/sidenav-position-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-position/sidenav-position-example.ts
@@ -7,5 +7,5 @@ import {Component} from '@angular/core';
   styleUrls: ['sidenav-position-example.css'],
 })
 export class SidenavPositionExample {
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }
diff --git a/src/components-examples/material/sidenav/sidenav-responsive/sidenav-responsive-example.ts b/src/components-examples/material/sidenav/sidenav-responsive/sidenav-responsive-example.ts
index 7c03d83604e2..5ddea4ff3023 100644
--- a/src/components-examples/material/sidenav/sidenav-responsive/sidenav-responsive-example.ts
+++ b/src/components-examples/material/sidenav/sidenav-responsive/sidenav-responsive-example.ts
@@ -34,5 +34,5 @@ export class SidenavResponsiveExample implements OnDestroy {
     this.mobileQuery.removeListener(this._mobileQueryListener);
   }
 
-  shouldRun = [/(^|\.)plnkr\.co$/, /(^|\.)stackblitz\.io$/].some(h => h.test(window.location.host));
+  shouldRun = /(^|.)(stackblitz|webcontainer).(io|com)$/.test(window.location.host);
 }