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Title	Test Details Pattern Title
Expression	^([0]\d|[1][0-2])\/([0-2]\d|[3][0-1])\/([2][01]|[1][6-9])\d{2}(\s([0-1]\d|[2][0-3])(\:[0-5]\d){1,2})?$
Description	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.
Matches	12/30/2002 | 01/12/1998 13:30 | 01/28/2002 22:35:00
Non-Matches	13/30/2002 | 01/12/1998 24:30 | 01/28/2002 22:35:64
Author	Rating: Spring Zhang

Title	Test Details Validate 12hour clock
Expression	(?<Time>^(?:0?[1-9]:[0-5]|1(?=[012])\d:[0-5])\d(?:[ap]m)?)
Description	A co-worker needed a regex to validate time. He could only find patterns that match a 24hour clock. I whipped this expression up to validate a 12hour clock. Hope somebody finds it useful.
Matches	12:00am | 01:30pm | 4:59
Non-Matches	15:30 | 4:78am | 00:00
Author	Rating: Ariel Merrell

Title	Test Details Pattern Title
Expression	^([1-9]|1[0-2]|0[1-9]){1}(:[0-5][0-9][aApP][mM]){1}$
Description	Very simple expression to validate time on a 12 hour clock, this expression is valid for client-side script validations (RegularExpressionValidator - ASP.NET).
Matches	08:00AM | 10:00am | 7:00pm
Non-Matches	13:00pm | 12:65am
Author	Rating: Roberto Hernández

Title	Test Details MySQL Date Format
Expression	^(\d{4})-((0[1-9])|(1[0-2]))-(0[1-9]|[12][0-9]|3[01])$
Description	For MySQL Date Time Format
Matches	2007-12-31
Non-Matches	3450-13-32
Author	Rating: xaxdrax

Title	Test Details Validate Time Format (Railway Time 24 hrs)
Expression	\b(0[0-9]|1[0-9]|2[0-3])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])\b
Description	It will matches the railway time format that 00:00:00 to 23:59:59
Matches	00:00:00 | 23:59:59 | 10:00:00
Non-Matches	24:0:00 | 20:60:60 | 15:00
Author	Rating: Not yet rated. Ajesh Kumar CM

Title	Test Details Validate Time format (Standard time 12 hrs)
Expression	\b(0[0-9]|1[0-1])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])\b
Description	It will matches the Standard time format that 00:00:00 to 11:59:59
Matches	00:00:00 | 11:59:59 | 10:00:00
Non-Matches	20:00:00 | 10:60:60 | 15:00
Author	Rating: Not yet rated. Ajesh Kumar CM

Title	Test Details Validate Time format with AM,PM (Standard time 12 hrs)
Expression	\b(0[0-9]|1[0-1])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])\s*(AM|PM|A|P)\b
Description	It will matches the Standard time format that 00:00:00 AM to 11:59:59 PM
Matches	00:00:00 AM | 11:59:59 PM | 10:00:00 AM
Non-Matches	00:00:00 | 11:59:59 | 15:00 PM
Author	Rating: Not yet rated. Ajesh Kumar CM

Title	Test Details time
Expression	^((1[01])|(\d)):[0-5]\d(:[0-5]\d)?\s?([apAP][Mm])?$
Description	validate time in hh:mm:ss hh:mm hh:mm:ss pm(am,PM,AM) <12h
Matches	11:23:43PM | 3:25:35 | 1:23 am
Non-Matches	12:01:01 | 3.14pm | 01:24AM
Author	Rating: Not yet rated. daniel cai

Title	Test Details mm/dd/yyyy hh:mm:ss Date Time
Expression	^(0[1-9]|1[012])[/](0[1-9]|[12][0-9]|3[01])[/][0-9]{4}(\s((0[1-9]|1[012])\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|]{2,2})))?$
Description	I got a regex for date time from here, which had some bugs. so i referred a few regex from this site and created a regex which i tested and didnt find any errors. I will check again and update if required.
Matches	12/24/2004 12:42:25 AM, 12/24/2004(without time)
Non-Matches	12-24-2004 12:42:24 AM, 12/24/2004 12:42:24 am
Author	Rating: Not yet rated. anil kumar b

Title	Test Details DateTime
Expression	^([0]\d|[1][0-2]\/([0-2]\d|[3][0-1])\/([2][0]\d{2})\s([0-1]\d|[2][0-3])\:[0-5]\d\:[0-5]\d)?\s(AM|am|aM|Am|PM|pm|pM|Pm)
Description	Date Time with am/pm.
Matches	10/13/2008 12:00:00 AM, 10/13/2008 12:00:00 PM
Non-Matches	10/13/2008 12:00:00
Author	Rating: Yaron

Title	Test Details Time 24:00 hrs format
Expression	^(([01][0-9]|[012][0-3]):([0-5][0-9]))*$
Description	The Regular Expression to validate time format in [24:00] hrs. >> Pemitted values from 00:00 to 23:59 >> Prefix zero for single digit hours 01:00 to 09:59 >> Tested & Certified by Mr. Shripad Pramod Bhende :-)
Matches	01:00 , 23:59
Non-Matches	2:00, 2:2, 02-30
Author	Rating: VenkatRaj

Title	Test Details Validate Time
Expression	^ *([0-1]?[0-9]|[2][0-3]):[0-5][0-9] *(a|p|A|P)(m|M) *$
Description	Validates time that's formatted by the ajax MaskedEditEditor (typically in 00:00 AM/PM). Validates 12/24 hour times.
Matches	11:15 PM, 23:15 PM
Non-Matches	28:00 PM, 01:99 AM
Author	Rating: Not yet rated. Andrew Tatum

Title	Test Details Date Time Group (DTG)
Expression	^(3[0-1]|2[0-9]|1[0-9]|0[1-9])(0[0-9]|1[0-9]|2[0-3])([0-5][0-9])\sUTC\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s[0-9]{2}$
Description	In military messages and communications (e.g. on naval charts, or maps showing troop movements) the format is DDHHMMZ Mon YY, so for instance, "271545Z FEB 08" represents 15:45 Zulu time (which is to say UTC) on the 27th of February, 2008. For Radio Navigational Warnings (RNWs), the international format is slightly different, using the explicit UTC text instead of the Zulu character, becoming "DDhhmm UTC Jun YY". E.g. "240923 UTC Jun 10" is "9:23am on 24th June 2010".
Matches	312359 UTC Jun 99
Non-Matches	322567 UTC June 1999
Author	Rating: Not yet rated. Ben McInerney

Title	Test Details Date time Expression
Expression	((\(\d{2}\) ?)|(\d{2}/))?\d{2}/\d{4} ([0-2][0-9]\:[0-6][0-9])
Description	Regular expression for find date with time.
Matches	dd/mm/yyyy HH:MM format, 10/10/2010 05:30
Non-Matches	dd/mm/yy HH:MM
Author	Rating: faiz shaikh

Title	Test Details Validate Traditional Time Formats
Expression	^(1[0-2]|0?[1-9]):([0-5]?[0-9])( AM| PM)$
Description	You want to validate times in various traditional time formats, such as hh:mm tt 12-hour formats.
Matches	12:45 AM|2:30 PM
Non-Matches	12:45AM|2:30PM
Author	Rating: Not yet rated. Bheemsen Singh

Title	Test Details Date time (mmm dd,yyyy dd:MM:yyyy am/pm)
Expression	^(?:(((Jan(uary)?|Ma(r(ch)?|y)|Jul(y)?|Aug(ust)?|Oct(ober)?|Dec(ember)?)\ 31)|((Jan(uary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sept|Nov|Dec)(ember)?)\ (0?[1-9]|([12]\d)|30))|(Feb(ruary)?\ (0?[1-9]|1\d|2[0-8]|(29(?=,\ ((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))))\,((1[6-9]|[2-9]\d)\d{2})) (?:[0-1]?[0-9]|[2][1-4]):[0-5]?[0-9]:[0-5]?[0-9]\s?([apAP][Mm])?$
Description	Tested with all date times: Examples Like: [Jul 30,2015 10:40:43 AM] if you want to use space then please add before ((1[6-9]|[2-9]\d)\d{2})) then it will works fine.
Matches	Jul 30,2015 10:40:43 AM
Non-Matches	Jul 30, 2015 10:40:43 AM
Author	Rating: Not yet rated. Vivek

Title	Test Details CAP date time
Expression	^(?:[2-9]\d\d\d)-(?:1[012]|0?[1-9])?-(?:31(?!.(?:0?[2469]|11))|(?:30|29)(?!.0?2)|29(?=.0?2.(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(?:T))|(?:2[0-8]|1\d|0?[1-9]))T(2[01234]|[01]\d):[0-5]\d:[0-5]\d[+-][01]\d:[0-5]\d$
Description	Matches the strict datetime format for Common Alerting Protocol v1.2 (might be same as earlier versions too). Inspiration and some code came from Michael Ash's http://regexlib.com/REDetails.aspx?regexp_id=610 with tweaks of my own
Matches	2016-04-07T12:29:00-04:00 | 2016-04-07T11:13:00-05:00 | 2016-04-05T00:53:35-04:00
Non-Matches	31/12/2003 11:59:59 PM | 2016-04-07 22:00:01+00:00 | 2016-04-07T22:00:01Z
Author	Rating: Branden Snyder