fix: fix parse regex bug (#1307)

fix #1305

Author: iamkun

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+)?$/
+export const REGEX_PARSE = /^(\d{4})[-/]?(\d{1,2})?[-/]?(\d{0,2})[^0-9]*(\d{1,2})?:?(\d{1,2})?:?(\d{1,2})?[.:]?(\d+)?$/
 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

test/parse.test.js

@@ -174,6 +174,14 @@ describe('REGEX_PARSE', () => {
     expect(d).toBe(null)
   })
 
+  // format used in timezone plugin utcString
+  it('2021-1-4 0:42:53:000', () => {
+    const date = '2021-1-4 0:42:53:000'
+    const d = date.match(REGEX_PARSE)
+    expect(dayjs(date).valueOf()).toBe(moment(date).valueOf())
+    expect(d.join('-')).toBe('2021-1-4 0:42:53:000-2021-1-4-0-42-53-000')
+  })
+
   it('2020-12-31T18:00:00-05:00 (no regex match)', () => {
     const date = '2020-12-31T18:00:00-05:00'
     const d = date.match(REGEX_PARSE)