diff --git a/packages/common/src/dates/IntlDateFormat.ts b/packages/common/src/dates/IntlDateFormat.ts
index 65b05c33b2..389dc38740 100644
--- a/packages/common/src/dates/IntlDateFormat.ts
+++ b/packages/common/src/dates/IntlDateFormat.ts
@@ -47,7 +47,7 @@ export class IntlDateFormat {
     this.separator = props.separator;
 
     this.invalidDateFormatRegex = new RegExp(`[^0-9${this.separator}]`);
-    this.duplicateSeparatorRegex = new RegExp(`${this.separator}{2,}`, 'g');
+    this.duplicateSeparatorRegex = new RegExp(`${this.separator.replace(/\./g, '\\.')}{2,}`, 'g');
     this.dateTimeFormat = new Intl.DateTimeFormat(props.locale);
     this.dateTimeFormatParts = this.dateTimeFormat.formatToParts(new Date());
 
diff --git a/packages/common/src/dates/__tests__/IntlDateFormat.test.ts b/packages/common/src/dates/__tests__/IntlDateFormat.test.ts
index 52c2eef38d..e5f65e507b 100644
--- a/packages/common/src/dates/__tests__/IntlDateFormat.test.ts
+++ b/packages/common/src/dates/__tests__/IntlDateFormat.test.ts
@@ -33,7 +33,7 @@ describe('IntlDateFormat', () => {
     expect(intlDateFormat.locale).toBe('fr-CA');
     expect(intlDateFormat.separator).toBe('.');
     expect(intlDateFormat.invalidDateFormatRegex).toEqual(new RegExp(`[^0-9.]`));
-    expect(intlDateFormat.duplicateSeparatorRegex).toEqual(new RegExp(`.{2,}`, 'g'));
+    expect(intlDateFormat.duplicateSeparatorRegex).toEqual(new RegExp('\\.{2,}', 'g'));
     expect(intlDateFormat.dateTimeFormat).toBeInstanceOf(Intl.DateTimeFormat);
     expect(intlDateFormat.dateTimeFormat.resolvedOptions().locale).toBe('fr-CA');
     expect(intlDateFormat.dateTimeFormatParts[0].type).toBe('year');