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05-15-2007
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to find numbers in a string
I writing my script and got stuck in this function. Can someone help me?
I need to extract out the numbers inside a string. Ex: INPUT -> OUTPUT abcdef123 -> 123 abc123def -> 123 123abcdef -> 123 a123bc45d -> 123 45 abcdefghi -> -1 Thank you! 
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05-15-2007
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one way
Code:
echo "salkf4243lsfk" | tr -d '[[:alpha:]]' #or [a-z] Code:
#s="slfk32432sdf"
#echo ${s//[a-zA-Z]/} # or [!0-9]
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05-15-2007
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Quote:
Code:
sed "s/[^0-9]*\([0-9][0-9]*\)[^0-9]*/ \1 /g;s/^[^0-9][^0-9]*$/-1/" filename
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05-16-2007
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Code:
awk '{ gsub(/[[:alpha:]]|[[:punct:]]/," ")}1' file
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11-22-2007
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Hi I have a similar problem, I would like to get a number that falls within a range from a string.
ex. input: "abcd 9034 efg 1234 hi" output: 9034 I would only want to get the number range from 9000-9999 I've tried to use sed/grep to get what I want for hours but not able to do it, can anyone advice on this? Thanks a lot!!!
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