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Showing posts with label
bash
.
Show all posts
Showing posts with label
bash
.
Show all posts
Monday, November 22, 2010
bash中使用if语句判断字符串是否匹配正则表达式
if [[ $var =~ 正则表达式 ]]; then
echo 'find it'
fi
需要注意的是
1.两个[]
2.=~前后都有空格
3.正则表达式形式省略了//
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