.net using regex to extract a pattern from a string

Question

I have a string that can contain any number of any type of characters. I'm looking to use regex to extract patterns and put them into a String that I can later manipulate.

Ex: I want regex to extract all 3 digit sequences. So if I have a string that says "Easy as 123" I would get "123" from it.

BTW This is for C#.net and VB.net

Thanks a lot.

David B · Accepted Answer · 2012-06-01 18:54:25Z

1

(\d+)

(       start capturing group
   \d   capture digits
+       capture one or more
)       end capturing group

That will extract digits. But I recommend you read up on regex so you can learn the conventions and write your own. Try using regexr to test them too.

answered Jun 1, 2012 at 18:54

David B

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3 Comments

PaulG Over a year ago

Thanks. Will do. Regex is not my strong point. I appreciate the help.

David B Over a year ago

@PaulG You can browse the regex tag here on SO to get a feel for more complex regexs to aid your understanding. Good luck. (If the answer helped, make sure to hit the green check mark to accept it)

PaulG Over a year ago

Thanks. I would accept the answer but I have to wait 8 minutes

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