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remove strings of lowercase characters (with minimum length requirement)

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# 1  
Old 02-19-2009
remove strings of lowercase characters (with minimum length requirement)
Hi all,
I want to delete all lowercase characters from my file, but only strings of length 7 and more.
For example, how can I go from:

JHGEFigeIGDUIirfyfiyhgfoiyfKJHGuioyrDHG

To:

JHGEFigeIGDUIKJHGuioyrDHG

There should be a trick to add to sed 's/[a-z]//g', but I can't figure it out.
Thanks!
# 2  
Old 02-19-2009
Start with this:
Code:
sed 's/[a-z]\{7,\}//g'

{7,} means the character class recurs 7 or more times
# 3  
Old 02-19-2009
awesome! thanks a lot!
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