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Regular Expression - numeric only (Either a zero or 10 digit number)

Posted on 2012-03-14
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Last Modified: 2012-03-14
Hello Experts,

I need a regular expression that will force the user to enter ether:

1) a zero
2) a ten digit number

So this needs to be numeric only, no spaces, dashes, ect.

Thanks!
Moe
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Question by:mauricerichard
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farzanj earned 2000 total points
ID: 37721107
^0|\d{10}$
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by:mauricerichard
ID: 37721112
Perfect, thank you for the solution!!
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Expert Comment

by:farzanj
ID: 37721214
Glad to help :)
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LVL 84

Expert Comment

by:ozo
ID: 37721873
I think you meant
^(0|\d{10})$

otherwise $ would not be required after 0 and ^ would not be required before \d{10}
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