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What does this validation expression mean? (layman's terms?)

Posted on 2015-01-26
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Last Modified: 2015-01-26
Can someone tell me, in plain english, what this validation expression means?

validationexpression="^[0-9,a-h,A-H,j-n,J-N,p,P,r-z,R-Z]{6,17}$"

I don't use validators regularly so I am not as familiar as I should be.
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Question by:mikesExpertExchange
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plusone3055 earned 500 total points
ID: 40571066
BeginOfLine
Repeat
AnyCharIn[ 0 to 9 , a to h , A to H , j to n , J to N , p , P , r to z , R to Z]
6 to 17 times
EndOfLine
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by:plusone3055
ID: 40571078
from the beginning of the string until the end of the string
 repeat any character [ ]  
6 to 17 times
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Author Closing Comment

by:mikesExpertExchange
ID: 40571092
Thank you.
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by:plusone3055
ID: 40571096
no problem
cheers
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