how can i get the content of between two special strings in shell

Question

I have two special characters,i want get the content of between them in shell.

Don't use awk ,because my linux can't find awk.

Answer 1

echo "ABxxxDE" | sed -e 's/AB\(.*\)DE/\1/g'

将打印出：

xxx

Answer 2

 $ sed -n '/WORD1/,/WORD2/p' /path/to/file 
 $ sed -n '/FOO/,/BAR/p' test.txt

Answer 3

echo "This is a #TEST%" | grep -o \#[a-zA-Z.0-9]*\%

will yield

#TEST%

You can also strip the special characters using sed..

echo "This is a #TEST%" | grep -o \#[a-zA-Z.0-9]*\% | sed 's/#//g' | sed 's/%//g'

to yield

TEST