sed "s/\<80\>/aa/g" test.txt -- 精确匹配80，修改为aased "s/\<80\>,/aa/g" test.txt-- 精确匹配"80,"，修改为aased "s/,\<80\>,/aa/g" test.txt-- 精确匹配",80"，修改为aa
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sed "s/\<80\>/aa/g" test.txt -- 精确匹配80，修改为aased "s/\<80\>,/aa/g" test.txt-- 精确匹配"80,"，修改为aased "s/,\<80\>,/aa/g" test.txt-- 精确匹配",80"，修改为aa
转载于:https://blog.51cto.com/8193146/1652686