Regex for asp.net help

Question

I'm new to regular expressions and can't get the hang of them. Can you provide me with some help?

I need a regular expression to assign to a textbox that will allow 6 numbers followed by an A,M or G.

The following is the furthest I've got, it allows 6 numbers but that's it:

 ^[0-9]{6}

John Hoven · Accepted Answer · 2011-05-14 12:32:36Z

8

You were close.

^[0-9]{6}[AMG]$

^: Start of string
[0-9]{6}: match 6 numbers between 0-9, inclusive
[AMG]: match 1 of the letters
$: end of string

answered May 14, 2011 at 12:32

John Hoven

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3 Comments

Ben Camilleri Over a year ago

Thanks! it worked perfectly. Will set your answer to accepted answer once the 10 mins past by. What would i have to type if i wanted "AMG" as a whole string as the ending?

John Hoven Over a year ago

You would use either ^[0-9]{6}AMG$ or ^[0-9]{6}[A][M][G]$ I believe the first one would work, but you're guaranteed the second one does.

Chris Fulstow Over a year ago

first one ^[0-9]{6}AMG$ should be fine

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