Answers for "regex to validate date format dd/mm/yyyy"

regex for date mm/dd/yyyy

function validateDate(testdate) {
    var date_regex = /^d{2}/d{2}/d{4}$/ ;
    return date_regex.test(testdate);
}

regex data

//all types, only number

^(?:(?:31(/|-|.)(?:0?[13578]|1[02]))1|(?:(?:29|30)(/|-|.)(?:0?[1,3-9]|1[0-2])2))(?:(?:1[6-9]|[2-9]d)?d{2})$|^(?:29(/|-|.)0?23(?:(?:(?:1[6-9]|[2-9]d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1d|2[0-8])(/|-|.)(?:(?:0?[1-9])|(?:1[0-2]))4(?:(?:1[6-9]|[2-9]d)?d{2})$|(?:(?:1[6-9]|[2-9]d)?d{2})(/|-|.)(?:(?:0?[1-9])|(?:1[0-2]))5(?:0?[1-9]|1d|2[0-8])$|^(?:(?:(?:1[6-9]|[2-9]d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(/|-|.)0?26(29)$|^(?:(?:1[6-9]|[2-9]d)?d{2})(?:(?:(/|-|.)(?:0?[1,3-9]|1[0-2])8(?:29|30))|(?:(/|-|.)(?:0?[13578]|1[02])9(?:31)))$

//all types month = text (pt)

^(?:(?:31(/|-|.)(?:jan|mar|mai|jul|ago|out|dez))1|(?:(?:29|30)(/|-|.)(?:(?:jan|mar|abr|mai|jun|jul|ago|set|out|nov|dez)2)))(?:(?:1[6-9]|[2-9]d)?d{2})$|^(?:29(/|-|.)(?:fev)3(?:(?:(?:1[6-9]|[2-9]d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1d|2[0-8])(/|-|.)(?:jan|fev|mar|abr|mai|jun|jul|ago|set|out|nov|dez)4(?:(?:1[6-9]|[2-9]d)?d{2})$|^(?:(?:1[6-9]|[2-9]d)?d{2})(/|-|.)(?:jan|fev|mar|abr|mai|jun|jul|ago|set|out|nov|dez)5(?:0?[1-9]|1d|2[0-8])$|^(?:(?:(?:1[6-9]|[2-9]d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(/|-|.)(?:fev)6(29)$|^(?:(?:1[6-9]|[2-9]d)?d{2})(?:(/|-|.)(?:(?:jan|mar|abr|mai|jun|jul|ago|set|out|nov|dez)8(?:29|30))|(?:(/|-|.)(?:jan|mar|mai|jul|ago|out|dez)9(?:31)))$