diff --git a/src/wizards/foundation/limits.ts b/src/wizards/foundation/limits.ts
index 8096b637a9..b7e66518c3 100644
--- a/src/wizards/foundation/limits.ts
+++ b/src/wizards/foundation/limits.ts
@@ -3,7 +3,7 @@ const nameStartChar =
   '|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]' +
   '|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]';
 const nameChar =
-  nameStartChar + '|[.0-9-]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040]';
+  nameStartChar + '|[.0-9\\-]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040]';
 const name = nameStartChar + '(' + nameChar + ')*';
 const nmToken = '(' + nameChar + ')+';
 
@@ -17,7 +17,7 @@ export const patterns = {
   nmToken,
   names: name + '( ' + name + ')*',
   nmTokens: nmToken + '( ' + nmToken + ')*',
-  decimal: '[+-]?[0-9]+(([.][0-9]*)?|([.][0-9]+))',
+  decimal: '[+\\-]?[0-9]+(([.][0-9]*)?|([.][0-9]+))',
   unsigned: '[+]?[0-9]+(([.][0-9]*)?|([.][0-9]+))',
   alphanumericFirstUpperCase: '[A-Z][0-9,A-Z,a-z]*',
   asciName: '[A-Za-z][0-9,A-Z,a-z_]*',
diff --git a/test/integration/editors/templates/__snapshots__/dotype-wizarding.test.snap.js b/test/integration/editors/templates/__snapshots__/dotype-wizarding.test.snap.js
index c87158ebc2..d05a9d4040 100644
--- a/test/integration/editors/templates/__snapshots__/dotype-wizarding.test.snap.js
+++ b/test/integration/editors/templates/__snapshots__/dotype-wizarding.test.snap.js
@@ -679,7 +679,6 @@ snapshots["DOType wizards defines a createDOTypeWizard looks like the latest sna
       label="id"
       maxlength="127"
       minlength="1"
-      pattern="([:_A-Za-z]|[À-Ö]|[Ø-ö]|[ø-˿]|[Ͱ-ͽ]|[Ϳ-῿]|[‌-‍]|[⁰-↏]|[Ⰰ-⿯]|[、-퟿]|[豈-﷏]|[ﷰ-�]|[.0-9-]|·|[̀-ͯ]|[‿-⁀])+"
       required=""
     >
     </wizard-textfield>
@@ -688,13 +687,11 @@ snapshots["DOType wizards defines a createDOTypeWizard looks like the latest sna
       helper="[scl.desc]"
       label="desc"
       nullable=""
-      pattern="([ -~]|[…]|[ -퟿]|[-�])*"
     >
     </wizard-textfield>
     <wizard-textfield
       helper="[scl.cdc]"
       label="cdc"
-      pattern="(SPS)|(DPS)|(INS)|(ENS)|(ACT)|(ACD)|(SEC)|(BCR)|(HST)|(VSS)|(MV)|(CMV)|(SAV)|(WYE)|(DEL)|(SEQ)|(HMV)|(HWYE)|(HDEL)|(SPC)|(DPC)|(INC)|(ENC)|(BSC)|(ISC)|(APC)|(BAC)|(SPG)|(ING)|(ENG)|(ORG)|(TSG)|(CUG)|(VSG)|(ASG)|(CURVE)|(CSG)|(DPL)|(LPL)|(CSD)|(CST)|(BTS)|(UTS)|(LTS)|(GTS)|(MTS)|(NTS)|(STS)|(CTS)|(OTS)|(VSD)"
       required=""
     >
     </wizard-textfield>
@@ -783,7 +780,6 @@ snapshots["DOType wizards defines a dOTypeWizard looks like the latest snapshot"
       label="id"
       maxlength="127"
       minlength="1"
-      pattern="([:_A-Za-z]|[À-Ö]|[Ø-ö]|[ø-˿]|[Ͱ-ͽ]|[Ϳ-῿]|[‌-‍]|[⁰-↏]|[Ⰰ-⿯]|[、-퟿]|[豈-﷏]|[ﷰ-�]|[.0-9-]|·|[̀-ͯ]|[‿-⁀])+"
       required=""
     >
     </wizard-textfield>
@@ -792,13 +788,11 @@ snapshots["DOType wizards defines a dOTypeWizard looks like the latest snapshot"
       helper="[scl.desc]"
       label="desc"
       nullable=""
-      pattern="([ -~]|[…]|[ -퟿]|[-�])*"
     >
     </wizard-textfield>
     <wizard-textfield
       helper="[scl.CDC]"
       label="CDC"
-      pattern="([ -~]|[…]|[ -퟿]|[-�])*"
     >
     </wizard-textfield>
     <mwc-list style="margin-top: 0px;">
@@ -1068,7 +1062,6 @@ snapshots["DOType wizards defines a sDOWizard to edit an existing SDO looks like
       dialoginitialfocus=""
       helper="[scl.name]"
       label="name"
-      pattern="[a-z][0-9A-Za-z]*"
       required=""
     >
       >
@@ -1078,7 +1071,6 @@ snapshots["DOType wizards defines a sDOWizard to edit an existing SDO looks like
       helper="[scl.desc]"
       label="desc"
       nullable=""
-      pattern="([ -~]|[…]|[ -퟿]|[-�])*"
     >
     </wizard-textfield>
     <mwc-select
@@ -1256,7 +1248,6 @@ snapshots["DOType wizards defines a sDOWizard to create a new SDO element looks
       dialoginitialfocus=""
       helper="[scl.name]"
       label="name"
-      pattern="[a-z][0-9A-Za-z]*"
       required=""
     >
       >
@@ -1266,7 +1257,6 @@ snapshots["DOType wizards defines a sDOWizard to create a new SDO element looks
       helper="[scl.desc]"
       label="desc"
       nullable=""
-      pattern="([ -~]|[…]|[ -퟿]|[-�])*"
     >
     </wizard-textfield>
     <mwc-select
diff --git a/test/integration/editors/templates/dotype-wizarding.test.ts b/test/integration/editors/templates/dotype-wizarding.test.ts
index 84f7c9030e..7bdd43e34b 100644
--- a/test/integration/editors/templates/dotype-wizarding.test.ts
+++ b/test/integration/editors/templates/dotype-wizarding.test.ts
@@ -11,6 +11,8 @@ import TemplatesPlugin from '../../../../src/editors/Templates.js';
 import { WizardTextField } from '../../../../src/wizard-textfield.js';
 import { ListItemBase } from '@material/mwc-list/mwc-list-item-base';
 
+import { patterns } from '../../../../src/wizards/foundation/limits.js';
+
 describe('DOType wizards', () => {
   if (customElements.get('templates-editor') === undefined)
     customElements.define('templates-editor', TemplatesPlugin);
@@ -69,7 +71,41 @@ describe('DOType wizards', () => {
     });
 
     it('looks like the latest snapshot', async () => {
-      await expect(parent.wizardUI.dialog).to.equalSnapshot();
+      // prettier does not support escaping in regexes of the /v flag
+      await expect(parent.wizardUI.dialog).dom.to.equalSnapshot({
+        ignoreAttributes: [
+          {
+            tags: ['wizard-textfield'],
+            attributes: ['pattern'],
+          },
+        ],
+      });
+    });
+
+    // work around, because the escapes get removed in snapshot by prettier
+    it('should have correct pattern', async () => {
+      expect(
+        parent.wizardUI.dialog!.querySelectorAll('wizard-textfield[pattern]')!
+          .length
+      ).to.equal(3);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[0]
+          .getAttribute('pattern')
+      ).to.equal(patterns.nmToken);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[1]
+          .getAttribute('pattern')
+      ).to.equal(patterns.normalizedString);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[2]
+          .getAttribute('pattern')
+      ).to.equal(patterns.cdc);
     });
 
     it('allows to add empty DOTypes to the project', async () => {
@@ -171,7 +207,41 @@ describe('DOType wizards', () => {
     });
 
     it('looks like the latest snapshot', async () => {
-      await expect(parent.wizardUI.dialog).to.equalSnapshot();
+      // prettier does not support escaping in regexes of the /v flag
+      await expect(parent.wizardUI.dialog).dom.to.equalSnapshot({
+        ignoreAttributes: [
+          {
+            tags: ['wizard-textfield'],
+            attributes: ['pattern'],
+          },
+        ],
+      });
+    });
+
+    // work around, because the escapes get removed in snapshot by prettier
+    it('should have correct pattern', async () => {
+      expect(
+        parent.wizardUI.dialog!.querySelectorAll('wizard-textfield[pattern]')!
+          .length
+      ).to.equal(3);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[0]
+          .getAttribute('pattern')
+      ).to.equal(patterns.nmToken);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[1]
+          .getAttribute('pattern')
+      ).to.equal(patterns.normalizedString);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[2]
+          .getAttribute('pattern')
+      ).to.equal(patterns.normalizedString);
     });
 
     it('edits DOType attributes id', async () => {
@@ -242,8 +312,37 @@ describe('DOType wizards', () => {
     });
 
     it('looks like the latest snapshot', async () => {
-      await expect(parent.wizardUI.dialog).to.equalSnapshot();
+      // prettier does not support escaping in regexes of the /v flag
+      await expect(parent.wizardUI.dialog).dom.to.equalSnapshot({
+        ignoreAttributes: [
+          {
+            tags: ['wizard-textfield'],
+            attributes: ['pattern'],
+          },
+        ],
+      });
+    });
+
+    // work around, because the escapes get removed in snapshot by prettier
+    it('should have correct pattern', async () => {
+      expect(
+        parent.wizardUI.dialog!.querySelectorAll('wizard-textfield[pattern]')!
+          .length
+      ).to.equal(2);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[0]
+          .getAttribute('pattern')
+      ).to.equal(patterns.tRestrName1stL);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[1]
+          .getAttribute('pattern')
+      ).to.equal(patterns.normalizedString);
     });
+
     it('edits SDO attributes name', async () => {
       expect(doc.querySelector('DOType[id="Dummy.WYE"] > SDO[name="phsA"]')).to
         .exist;
@@ -330,8 +429,37 @@ describe('DOType wizards', () => {
     });
 
     it('looks like the latest snapshot', async () => {
-      await expect(parent.wizardUI.dialog).to.equalSnapshot();
+      // prettier does not support escaping in regexes of the /v flag
+      await expect(parent.wizardUI.dialog).dom.to.equalSnapshot({
+        ignoreAttributes: [
+          {
+            tags: ['wizard-textfield'],
+            attributes: ['pattern'],
+          },
+        ],
+      });
     });
+
+    // work around, because the escapes get removed in snapshot by prettier
+    it('should have correct pattern', async () => {
+      expect(
+        parent.wizardUI.dialog!.querySelectorAll('wizard-textfield[pattern]')!
+          .length
+      ).to.equal(2);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[0]
+          .getAttribute('pattern')
+      ).to.equal(patterns.tRestrName1stL);
+
+      expect(
+        parent.wizardUI
+          .dialog!.querySelectorAll('wizard-textfield[pattern]')[1]
+          .getAttribute('pattern')
+      ).to.equal(patterns.normalizedString);
+    });
+
     it('creates a new SDO element', async () => {
       expect(
         doc.querySelector(
@@ -349,6 +477,7 @@ describe('DOType wizards', () => {
         )
       ).to.exist;
     });
+
     it('creates yet another new SDO element', async () => {
       const name = 'newSDOElement2';
       const desc = 'newSDOdesc';