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This is a regular expression to validate a date string in "MM/DD/YYYY" format, a date time string in "MM/DD/YYYY HH:MM" or a date time string in "MM/DD/YYYY HH:MM:SS" format. It can validate date from 1600 to 2199.

this is a regular expression that for chinese programer! yyyy/mm/dd hh:mm:ss

This Validator Validates any date from 1800 - 9999. It takes special care of Leap years and validates any format of type mm/dd/yyyy , m/dd/yyyy , mm/d/yyyy , m/d/yyyy. Since SQL Server does not accept any date before 1/1/1753, so i hope it will meet Your Requirements.(Modified Version of Jason West's Date Validator.)

- validates a yyyy-mm-dd, yyyy mm dd, or yyyy/mm/dd date - makes sure day is within valid range for the month - does NOT validate Feb. 29 on a leap year, only that Feb. CAN have 29 days

it's for date in the format: "yyyymmdd" and it validates the empty string and some special values (00000000,88888888,99999999) but you can delete these last values. It works with leap years.

Matches a string if it is a valid time in the format of HH:MM / H:MM / HH / H

Matches U.S. dates with leading zeros and without and with 2 or four digit years

This expression validates dates in the US m/d/y format from 1/1/1600 - 12/31/9999.

This RE validate Dates in the MMM dd, yyyy format from Jan 1, 1600 to Dec 31, 9999. The format is as follows: The name or 3 letter abbreivation, without a period, of the month, then a space then the day value then a comma then a space finally the year. The correct number of day are validated for each month include leap years. The name of month is case sensitive.

Sql date format tester.

Will match the following date formats: Preceded by a Space, Left-parentheses, or at the beginning of a line. Followed by a Space, Right-parentheses, or Colon(:), word boundary or End of line. Can have / or - as separator. Accepts 2 digit year 00-99 or 4 digit years 1900-2099 (can modify to accept any range)

dd/MM/yyyy with leap years 100% integrated Valid years : from 1600 to 9999 As usual, many tests have been made. I think this one should be fine.

Dates day: d or dd, <= 31, month: m or mm, <= 12, year: yy or yyyy >= 1900, <= 2099

Regex used in .NET to validate a date. Matches the following formats mm/dd/yy, mm/dd/yyyy, mm-dd-yy, mm-dd-yyyy This covers days with 30 or 31 days but does not handle February, it is allowed 30 days.

Matching : dd/MM/yy Leap years compatible Italian style, just for more fun. Please, don't forget to rate it if you use it. THX

Best Use validation to accept a valid "MonthName(,) Year". It can validate an entry with or without comma (,).

DD/MM/YYYY format New DateTime Regex. Rebuilt better than before, better, stronger, faster. This regex will validate a date, time or a datetime. It will also capture the date fields and the time. Dates are in the DD/MM/YYYY format and validated for months, number of days in a month and leap years (29/2) Date field can be separated by matched periods(.), dashes(-) or forward slashes(/). Year range 1600-9999 Time is either 12 hour AM/PM format (HH:mm:ss AM), where minutes and seconds are optional. AM or PM required. or 24 hour military format (HH:mm:SS), from 00:00:00 to 23:59:59, where hours and minutes fields are required, including leading 0 for hours less than 10. Datetime is the above date and time formats separated by a space, with the date first (DD/MM/YYYY HH:mm:SS) !IMPORTANT NOTE: your regex engine must support lookaheads and named groups to use this expression

Time off hours edit for quarter hour(s) less than eight.

Validates date format by DD MMM YYYY. Validates days for each month also. Ensures that month is uppercase.