[root@yyjk tmp]#cat a1.sh
aaa='20190401.zip'
if [[ "$aaa" =~ ^[0-9]{4}[0-9]{1,2}[0-9]{1,2}\.zip$ ]]; then
echo 'aaaaaaaaaaaaaaa'
else
echo 'bbbbbbbbbbbbbbbb'
fi
[root@yyjk tmp]#sh ./a1.sh
aaaaaaaaaaaaaaa
[root@yyjk tmp]#cat a1.sh
aaa='x20190401.zip'
if [[ "$aaa" =~ ^[0-9]{4}[0-9]{1,2}[0-9]{1,2}\.zip$ ]]; then
echo 'aaaaaaaaaaaaaaa'
else
echo 'bbbbbbbbbbbbbbbb'
fi
[root@yyjk tmp]#sh ./a1.sh
bbbbbbbbbbbbbbbb
[root@yyjk tmp]#cat a1.sh
aaa='20190401.zipx'
if [[ "$aaa" =~ ^[0-9]{4}[0-9]{1,2}[0-9]{1,2}\.zip$ ]]; then
echo 'aaaaaaaaaaaaaaa'
else
echo 'bbbbbbbbbbbbbbbb'
fi
[root@yyjk tmp]#sh ./a1.sh
bbbbbbbbbbbbbbbb
shell 正则匹配字符
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转载自blog.csdn.net/zhaoyangjian724/article/details/89382628
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