Regular Expressions 101

Library entries

Date Regex yyyy-mm-dd with leap year

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1

Regular Expression
pcre

/
((20)[0-9]{2}[-](0[13578]|1[02])[-](0[1-9]|[12][0-9]|3[01]))|((20)[0-9]{2}[-](0[469]|11)[-](0[1-9]|[12][0-9]|30))|((20)[0-9]{2}[-](02)[-](0[1-9]|1[0-9]|2[0-8]))|((((20)(04|08|[2468][048]|[13579][26]))|2000)[-](02)[-]29)
/
g

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Submitted by anonymous - a year ago