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Expressions by User

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Title Test Details Pattern Title
Expression
^(((\d{4}((0[13578]|1[02])(0[1-9]|[12]\d|3[01])|(0[13456789]|1[012])(0[1-9]|[12]\d|30)|02(0[1-9]|1\d|2[0-8])))|((\d{2}[02468][048]|\d{2}[13579][26]))0229)){0,8}$
Description
Validates a date expression (or empty value) in CCYYMMDD format, checking a leap year from 00000101 A.D. to 99991231
Matches
20041231 | 20040229
Non-Matches
20043112 | 2003/04/02
Author Rating: Not yet rated. Danny Garber
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