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antiphase/gist:2bbb081dfeb9e9362f74b64059d3e451

Created September 14, 2017 22:08
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gistfile1.txt
#!/bin/bash
foo=ABCDEFGH13XXX99
if [[ $foo =~ ([[:digit:]][[:digit:]]) ]]
then
echo ${BASH_REMATCH[0]}
fi
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