Regular Expressions 101

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Regular Expression
ECMAScript (JavaScript)

^(000[1-9]|00[1-9]\d|0[1-9]\d\d|100\d|10[1-9]\d|1[1-9]\d{2}|[2-9]\d{3}|[1-9]\d{4}|1\d{5}|2[0-6]\d{4}|27[0-4]\d{3}|275[0-6]\d{2}|2757[0-5]\d|275760)-(0[1-9]|1[012])-(0[1-9]|[12]\d|3[01])T(0\d|1\d|2[0-4]):(0\d|[1-5]\d)(?::(0\d|[1-5]\d))?(?:.(00\d|0[1-9]\d|[1-9]\d{2}))?$

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Description

As 'datetime-local' input doesn't have a [pattern] attribute, you can check its value with this RegExp.

Does not check if the given day corresponds to its month .

Ex : 2019-02-30 will be considered as correct

Submitted by Ann MB - 3 years ago (Last modified 3 years ago)

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Community Patterns

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Match US ZIP Code with Optional Extension

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Match Decimal Numbers with Thousand Separator

Community Library Entry

Regular ExpressionECMAScript (JavaScript)

Description

Regular Expression
ECMAScript (JavaScript)