diff --git a/src/constant.js b/src/constant.js
index 6be602e2..22d6e8ad 100644
--- a/src/constant.js
+++ b/src/constant.js
@@ -26,5 +26,5 @@ export const FORMAT_DEFAULT = 'YYYY-MM-DDTHH:mm:ssZ'
 export const INVALID_DATE_STRING = 'Invalid Date'
 
 // regex
-export const REGEX_PARSE = /^(\d{4})[-/]?(\d{1,2})?[-/]?(\d{0,2})[^0-9]*(\d{1,2})?:?(\d{1,2})?:?(\d{1,2})?[.:]?(\d+)?$/
+export const REGEX_PARSE = /^(\d{4})[-/]?(\d{1,2})?[-/]?(\d{0,2})[Tt\s]*(\d{1,2})?:?(\d{1,2})?:?(\d{1,2})?[.:]?(\d+)?$/
 export const REGEX_FORMAT = /\[([^\]]+)]|Y{1,4}|M{1,4}|D{1,2}|d{1,4}|H{1,2}|h{1,2}|a|A|m{1,2}|s{1,2}|Z{1,2}|SSS/g
diff --git a/test/parse.test.js b/test/parse.test.js
index 1dd38207..a8dc739a 100644
--- a/test/parse.test.js
+++ b/test/parse.test.js
@@ -201,4 +201,12 @@ describe('REGEX_PARSE', () => {
     expect(dayjs(date).valueOf()).toBe(moment(date).valueOf())
     expect(d).toBe(null)
   })
+
+  // dots should not be matched, and fallback to Date
+  it('2021.01.03', () => {
+    const date = '2021.01.03'
+    const d = date.match(REGEX_PARSE)
+    expect(dayjs(date).valueOf()).toBe(moment(date).valueOf())
+    expect(d).toBe(null)
+  })
 })