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Editorial Team
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Asked: 2026-05-11T17:26:19+00:00

I really neeed dd-mon-yy format because my oracle database accepts dates in this format.

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I really neeed dd-mon-yy format because my oracle database accepts dates in this format.

Can I validate like that in RegularExpressionValidator like that?

And also, do I have to convert the textbox value to oracle data time format, when using nhibernate?

thanks a lot for help;

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1 Answer

  1. Editorial Team

    For two digits for the year try:

    ^([012]?\d|3[01])-([Jj][Aa][Nn]|[Ff][Ee][Bb]|[Mm][Aa][Rr]|[Aa][Pp][Rr]|[Mm][Aa][Yy]|[Jj][Uu][Nn]|[Jj][Uu][Ll]|[Aa][Uu][Gg]|[Ss][Ee][Pp]|[Oo][Cc][Tt]|[Nn][Oo][Vv]|[Dd][Ee][Cc])-\d\d$

    With four digits for the year:

    ^([012]?\d|3[01])-([Jj][Aa][Nn]|[Ff][Ee][Bb]|[Mm][Aa][Rr]|[Aa][Pp][Rr]|[Mm][Aa][Yy]|[Jj][Uu][Nn]|[Jj][Uu][Ll]|[Aa][Uu][Gg]|[Ss][Ee][Pp]|[Oo][Cc][Tt]|[Nn][Oo][Vv]|[Dd][Ee][Cc])-(19|20)\d\d$

    Those expressions mean:

    • 0 or 1 or 2 followed by a number, or 3 plus 0 or 1
    • next a dash
    • For the month it ‘tries’ all the combinations of JAN, JAn, Jan, jan, etc… for all the twelve months
    • next a dash
    • Finally it expects two digits for ‘yyyy’ version or 19 or 20 followed by two digits for ‘yy’ version
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