Hi, Sorry for not being clear earlier. I do want to search for any keyword(mostly alphabetical words) and if present in that line , I need to display the entire line.Line may have spaces or special characters. I do not know how to use the boundary conditions. I tried using {/\b\Q$key\E\b/} or outside the {\b/\Q$key\E/\b} but either of them dint work. I also read about using /p to preserve the prematch ,match and post match expressions but I got this error :Illegal division by zero at ./test1.pl line 14, <STDIN> line 2. for entering zmm keyword.

In reply to Re^2: Error using grep by justkar4u
in thread Error using grep by justkar4u

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