Regular expression for validating date format ddmmyyyy Camp playboy sex xxx
Unfortunately, all it does is match valid numbers in a date time input, and 31st Feb will be marked as valid, but as so many have said, regex really isn't the best tool to do this test.
\d)$ Your regexp does not work for years that "are multiples of 4 and 100, but not of 400". – Much To Learn (^(((0[1-9]|1[0-9]|2[0-8])[\/](0[1-9]|1))|((29|30|31)[\/](0|1))|((29|30)[\/](0[4,6,9]|11)))[\/](19|[2-9][0-9])\d\d$)|(^29[\/]02[\/](19|[2-9][0-9])(00|04|08|12|16|20|24|28|32|36|40|44|48|52|56|60|64|68|72|76|80|84|88|92|96)$) For those who look at these and get completely confused, here is an excerpt from my script.
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Here we want to use a regex that simply checks whether the input is a valid date without trying to eliminate things such as February 31st.
It accepts either '-', '/', or nothing as separators between year, month, and day, no matter the order.
To match a date in the format 'yyyy-MM-dd hh:mm' (Or indeed in whatever order you please) I suspect that the following is as accurate as can be expected without knowing when the user's locale switched over from the Julian to the Gregorian calendars.
Because of this, you have to choose how simple or how accurate you want your regular expression to be.
You can’t tell a regular expression to “match a number between 1 and 31”, for instance. See Chapter 6 for more details on matching all kinds of numbers with regular expressions.
In regular expressions, digits are treated as characters that can be part of words.
Replace both This chapter has several other recipes for matching dates and times.
Recipe 4.7 shows how to validate date and time formats according to the ISO 8601 standard.
Recipe 6.7 explains how you can create a regular expression to match a number in a given range of numbers.
Recipe 4.5 shows how to validate traditional date formats more accurately.