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/regex digit match.txt

Created June 28, 2010 23:46
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regex digit match.txt
time for (( i = 0; i < 1000; i++ )); do grep -E '[[:digit:]]' /etc/services > /dev/null; done
real 0m5.262s
user 0m3.024s
sys 0m1.192s
time for (( i = 0; i < 1000; i++ )); do grep -E '[0-9]' /etc/services > /dev/null; done
real 0m5.424s
user 0m2.868s
sys 0m1.160s
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