- bruno():public_html$ cat test
foo
a
  bar
b
1 foo 2 bar 3
1 foo2bar 3




bar
a
  foo
b
1 bar 2 foo 3
1 bar2foo 3
 - bruno():public_html$ pcregrep --color -Mi '(foo(?:.*\n){0,5}bar)' test
1 foo2bar 3




bar
 - bruno():public_html$