diff --git a/src/pages/EditMonitor.vue b/src/pages/EditMonitor.vue
index 00f45d7eb..e9cbd8245 100644
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -949,6 +949,14 @@ message HealthCheckResponse {
                 this.monitor.headers = JSON.stringify(JSON.parse(this.monitor.headers), null, 4);
             }
 
+            if (this.monitor.hostname) {
+                this.monitor.hostname = this.monitor.hostname.trim();
+            }
+
+            if (this.monitor.url) {
+                this.monitor.url = this.monitor.url.trim();
+            }
+
             if (this.isAdd) {
                 this.$root.add(this.monitor, async (res) => {
 
diff --git a/src/util-frontend.js b/src/util-frontend.js
index 55d0f6349..882ee2914 100644
--- a/src/util-frontend.js
+++ b/src/util-frontend.js
@@ -88,7 +88,7 @@ export function hostNameRegexPattern(mqtt = false) {
     // mqtt, mqtts, ws and wss schemes accepted by mqtt.js (https://github.com/mqttjs/MQTT.js/#connect)
     const mqttSchemeRegexPattern = "((mqtt|ws)s?:\\/\\/)?";
     // Source: https://digitalfortress.tech/tips/top-15-commonly-used-regex/
-    const ipRegexPattern = `((^\\s*${mqtt ? mqttSchemeRegexPattern : ""}((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\\s*$)|(^\\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))(%.+)?\\s*$))`;
+    const ipRegexPattern = `((^${mqtt ? mqttSchemeRegexPattern : ""}((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))$)|(^((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))(%.+)?$))`;
     // Source: https://stackoverflow.com/questions/106179/regular-expression-to-match-dns-hostname-or-ip-address
     const hostNameRegexPattern = `^${mqtt ? mqttSchemeRegexPattern : ""}([a-zA-Z0-9])?(([a-zA-Z0-9_]|[a-zA-Z0-9_][a-zA-Z0-9\\-_]*[a-zA-Z0-9_])\\.)*([A-Za-z0-9_]|[A-Za-z0-9_][A-Za-z0-9\\-_]*[A-Za-z0-9_])$`;
 
diff --git a/test/cypress/unit/util-frontend.spec.js b/test/cypress/unit/util-frontend.spec.js
index 6abedf821..9bfd4becc 100644
--- a/test/cypress/unit/util-frontend.spec.js
+++ b/test/cypress/unit/util-frontend.spec.js
@@ -9,7 +9,11 @@ describe("Test util-frontend.js", () => {
             expect(regex.test("www.test.com")).to.be.true;
             expect(regex.test("127.0.0.1")).to.be.true;
             expect(regex.test("192.168.1.156")).to.be.true;
-            
+            expect(regex.test(" 192.168.1.145")).to.be.false;
+            expect(regex.test("192.168.1.145 ")).to.be.false;
+            expect(regex.test(" fe80::3282:3ff:ae28:592")).to.be.false;
+            expect(regex.test("fe80::3282:3ff:ae28:592 ")).to.be.false;
+
             ["mqtt", "mqtts", "ws", "wss"].forEach(schema => {
                 expect(regex.test(`${schema}://www.test.com`)).to.be.false;
                 expect(regex.test(`${schema}://127.0.0.1`)).to.be.false;
@@ -23,11 +27,15 @@ describe("Test util-frontend.js", () => {
             expect(regex.test("www.test.com")).to.be.true;
             expect(regex.test("127.0.0.1")).to.be.true;
             expect(regex.test("192.168.1.156")).to.be.true;
-            
+            expect(regex.test(" 192.168.1.145")).to.be.false;
+            expect(regex.test("192.168.1.145 ")).to.be.false;
+            expect(regex.test(" fe80::3282:3ff:ae28:592")).to.be.false;
+            expect(regex.test("fe80::3282:3ff:ae28:592 ")).to.be.false;
+
             ["mqtt", "mqtts", "ws", "wss"].forEach(schema => {
                 expect(regex.test(`${schema}://www.test.com`)).to.be.true;
                 expect(regex.test(`${schema}://127.0.0.1`)).to.be.true;
             });
         });
     });
-});
\ No newline at end of file
+});