Regex Pattern Help Please

[markdmac]

Can anyone assist me in creating a necessary REGEX patter to verify that an entry is in the format of #####-#####?

The input is to be a range of numbers, so the part on the left needs to be less than the part on the right. The range must be separated by a hyphen. There can be any number of digits up to 5 on each side. All of the following would be valid:

1-25
100-199
1000-2000
31000-34000

I figured out how to use the regular expressions in my VB.net code, but formulating the expression is still eluding me.

Any help is greatly appreciated. Thank you.

 

[markdmac]

Got this sorted out.

Function IsValid_Range(ByVal sRange As String)

        Return Regex.IsMatch(sRange, "^\d{1,5}-\d{1,5}$")

    End Function

I hope that helps.

Regards,

Mark

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