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Home/ Questions/Q 8686673
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Editorial Team
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Editorial Team
Asked: June 12, 20262026-06-12T22:54:57+00:00 2026-06-12T22:54:57+00:00

Need help with regular expression. I have tried with a cheat sheat but it

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Need help with regular expression. I have tried with a cheat sheat but it won’t work.
I am looping through lines from a List and are looking for a match:

mail exchanger = *.domain.com

Where * = everything.

Any help on that?

I have tried with:

\\w[mail exchanger = ].*\\.domain\\.com

– But it also matches on line without the “exchanger” part in it.

Best regards

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  1. Editorial Team
    Editorial Team
    2026-06-12T22:54:58+00:00Added an answer on June 12, 2026 at 10:54 pm

    Why not just use line.Contains(".domain.com") && line.Contains("mail exchanger = ")? Nice and simple.


    Your regular expression isn’t working because the []‘s say to match any character in them. So it will match an m, an a, an i, and so on… You mean to use ()‘s.

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