CommonRegex

Collection of regular expressions for common requirements.

• Date
• Time
• Phone
• Hexidecimal Color
• Email

Date

Year/Month/Day

• - seperators: ^(([02468][1235679]|[13579][01345789])((0[0][-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-8])|(0[469]|1[1])[-]([012][0-9]|3[0])))|((0[48]|[2468][048]|[13579][26])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-9])|(0[469]|1[1])[-]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-8])|(0[469]|1[1])[-]([012][0-9]|3[0])))))|([02468][048]|[13579][26])(([02468][048]|[13579][26])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-9])|(0[469]|1[1])[-]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-8])|(0[469]|1[1])[-]([012][0-9]|3[0])))$
• / seperators: ^(([02468][1235679]|[13579][01345789])((0[0][/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-8])|(0[469]|1[1])[/]([012][0-9]|3[0])))|((0[48]|[2468][048]|[13579][26])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-9])|(0[469]|1[1])[/]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-8])|(0[469]|1[1])[/]([012][0-9]|3[0])))))|([02468][048]|[13579][26])(([02468][048]|[13579][26])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-9])|(0[469]|1[1])[/]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-8])|(0[469]|1[1])[/]([012][0-9]|3[0])))$
• - or / seperators: ^[(([02468][1235679]|[13579][01345789])((0[0][-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-8])|(0[469]|1[1])[-]([012][0-9]|3[0])))|((0[48]|[2468][048]|[13579][26])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-9])|(0[469]|1[1])[-]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-8])|(0[469]|1[1])[-]([012][0-9]|3[0])))))|([02468][048]|[13579][26])(([02468][048]|[13579][26])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-9])|(0[469]|1[1])[-]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[-]((0[13578]|1[02])[-]([012][0-9]|3[01])|(0[2])[-]([01][0-9]|2[0-8])|(0[469]|1[1])[-]([012][0-9]|3[0])))(([02468][1235679]|[13579][01345789])((0[0][/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-8])|(0[469]|1[1])[/]([012][0-9]|3[0])))|((0[48]|[2468][048]|[13579][26])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-9])|(0[469]|1[1])[/]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-8])|(0[469]|1[1])[/]([012][0-9]|3[0])))))|([02468][048]|[13579][26])(([02468][048]|[13579][26])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-9])|(0[469]|1[1])[/]([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])[/]((0[13578]|1[02])[/]([012][0-9]|3[01])|(0[2])[/]([01][0-9]|2[0-8])|(0[469]|1[1])[/]([012][0-9]|3[0])))]$
• no seperators: ^(([02468][1235679]|[13579][01345789])((0[0]((0[13578]|1[02])([012][0-9]|3[01])|(0[2])([01][0-9]|2[0-8])|(0[469]|1[1])([012][0-9]|3[0])))|((0[48]|[2468][048]|[13579][26])((0[13578]|1[02])([012][0-9]|3[01])|(0[2])([01][0-9]|2[0-9])|(0[469]|1[1])([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])((0[13578]|1[02])([012][0-9]|3[01])|(0[2])([01][0-9]|2[0-8])|(0[469]|1[1])([012][0-9]|3[0])))))|([02468][048]|[13579][26])(([02468][048]|[13579][26])((0[13578]|1[02])([012][0-9]|3[01])|(0[2])([01][0-9]|2[0-9])|(0[469]|1[1])([012][0-9]|3[0]))|([02468][1235679]|[13579][01345789])((0[13578]|1[02])([012][0-9]|3[01])|(0[2])([01][0-9]|2[0-8])|(0[469]|1[1])([012][0-9]|3[0])))$

Time

Hour figure must be 2 digits; no AM or PM.

Required Figures	Optional Figures	No Seperators	Optional Seperators	Required Seperators
Hours, Minutes		^([01][0-9]|2[0-3])[0-5][0-9]$	^([01][0-9]|2[0-3])[:]?[0-5][0-9]$	^([01][0-9]|2[0-3])[:][0-5][0-9]$
Hours, Minutes	Seconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9])?$	^(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9])?|(([01][0-9]|2[0-3]):[0-5][0-9](:[0-5][0-9])?))$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9])?$
Hours, Minutes	Seconds, 1 Millisecond	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{1,2})?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{1,2})?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9])?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9])?)?$
Hours, Minutes	Seconds, 2 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{2})?)?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{2})?)?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{2})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{2})?)?$
Hours, Minutes	Seconds, 3 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{3})?)?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{3})?)?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{3})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{3})?)?$
Hours, Minutes	Seconds, 6 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{6})?)?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{6})?)?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{6})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{6})?)?$
Hours, Minutes	Seconds, 9 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{9})?)?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{9})?)?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{9})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{9})?)?$
Hours, Minutes	Seconds, 12 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{12})?)?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]([0-9]{12})?)?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{12})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{12})?)?$
Hours, Minutes	Seconds, 1-2 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,3})?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,3})?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,2})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,2})?)?$
Hours, Minutes	Seconds, 1-3 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,4})?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,3})?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,3})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,3})?)?$
Hours, Minutes	Seconds, 1-6 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,7})?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,6})?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,6})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,6})?)?$
Hours, Minutes	Seconds, 1-9 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,10})?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,9})?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,9})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,9})?)?$
Hours, Minutes	Seconds, 1-12 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,13})?$	^[(([01][0-9]|2[0-3])[0-5][0-9]([0-5][0-9]{2,12})?)(([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,12})?)?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9]([:][0-5][0-9]([.][0-9]{1,12})?)?$
Hours, Minutes, Seconds		^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9])(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9])]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]$
Hours, Minutes, Seconds	1 Millisecond	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,2}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,2})(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9])?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9])?$
Hours, Minutes, Seconds	2 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{2})?$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{2})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{2})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{2})?$
Hours, Minutes, Seconds	3 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{3})?$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{3})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{3})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{3})?$
Hours, Minutes, Seconds	6 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{6})?$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{6})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{6})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{6})?$
Hours, Minutes, Seconds	9 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{9})?$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{9})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{9})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{9})?$
Hours, Minutes, Seconds	12 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{12})?$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{12})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{12})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{12})?$
Hours, Minutes, Seconds	1-2 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,3}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{1,2})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,2})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,2})?$
Hours, Minutes, Seconds	1-3 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,4}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{1,3})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,3})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,3})?$
Hours, Minutes, Seconds	1-6 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,7}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{1,6})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,6})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,6})?$
Hours, Minutes, Seconds	1-9 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,10}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{1,9})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,9})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,9})?$
Hours, Minutes, Seconds	1-12 Milliseconds	^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{1,13}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]([0-9]{1,12})?)(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,12})?)]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9]([.][0-9]{1,12})?$
Hours, Minutes, Seconds, 1 Millisecond		^([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{2}$	^[(([01][0-9]|2[0-3])[0-5][0-9][0-5][0-9]{2})(([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9][.][0-9]{1}]$	^([01][0-9]|2[0-3])[:][0-5][0-9][:][0-5][0-9][.][0-9]{1}$
Hours, Minutes, Seconds, 2 Milliseconds
Hours, Minutes, Seconds, 3 Milliseconds
Hours, Minutes, Seconds, 6 Milliseconds
Hours, Minutes, Seconds, 9 Milliseconds
Hours, Minutes, Seconds, 12 Milliseconds

Phone

The format is +ISO REG-LOC-NUMB. The dashes are required. +ISO and REG are optional.

^((([+][1-9][0-9]?[0-9]?)?[ ])?[1-9][0-9]{2}[-])?[1-9][0-9]{2}[-][1-9][0-9]{3}$

Hexidecimal Color

..	No Leading #	Optional Leading #	Required Leading #
3-digit	^[a-f0-9]{3}$	^#?[a-f0-9]{3}$	^#[a-f0-9]{3}$
3/6-digit	^[a-f0-9]{3}([a-f0-9]{3})?$	^#?[a-f0-9]{3}([a-f0-9]{3})?$	^#[a-f0-9]{3}([a-f0-9]{3})?$
3/6/8-digit	^[a-f0-9]{3}([a-f0-9]{3}([a-f0-9]{2})?)?$	^#?[a-f0-9]{3}([a-f0-9]{3}([a-f0-9]{2})?)?$	^#[a-f0-9]{3}([a-f0-9]{3}([a-f0-9]{2})?)?$
6-digit	^[a-f0-9]{6}$	^#?[a-f0-9]{6}$	^#[a-f0-9]{6}$
6/8-digit	^[a-f0-9]{6}([a-f0-9]{2})?$	^#?[a-f0-9]{6}([a-f0-9]{2})?$	^#[a-f0-9]{6}([a-f0-9]{2})?$
8-digit	^[a-f0-9]{8}$	^#?[a-f0-9]{8}$	^#[a-f0-9]{8}$

Email

(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])

Note: This is the official RFC 5322 specification, but it not generally recommended that it be used to validate emails; you should instead design a regular expression for your specific purposes. Less broad regular expressions for emails may be added in the future.