匹配 -Xms3G -Xmx20GB
./jvm.sh "-Xmx300G"
cat jvm.sh
echo $1
in=$1
regularExp="^([\s]*-Xm[xs][0-9]*[KBMGTkbmgt][Bb]?[\s]*){1,2}$"
if [[ $in =~ $regularExp ]] ; then
echo "match"
else
echo "no match"
fi
正则 Linux
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转载自blog.csdn.net/jji8877032/article/details/105064259
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