How to 'System.Text.RegularExpressions.Regex.Replace'

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1

I want to know how to change the following using regular expression.

input data : 123456

after replace : 12-34-56

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2

Hi,

I suppose your requirement is not very clear, however the following will work.

System.Text.RegularExpressions.Regex.Replace(yourString,"(?<=\d{2})(\d{2})(?=\d{2})","-$1-")

Regards,

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3

thank you

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4

Im sorry.
What does ‘-$1-’ mean?

5

Hi,

$1 means Substitutions. See the following document in details.

Regards,

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