Unix command to see Carriage Returns within a specific range of rows in a large sequential file

Is there a way to view output of several lines within a very large file to check for carriage return or other special characters?
iBincAsked:
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Dr. KlahnPrincipal Software EngineerCommented:
Are the lines (a) contiguous and (b) always in the same location or found easily by inspecting the file content?
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Kevin Brown-GoebelerInformatic Security AnalystCommented:
cat -A will show all special characters in a text file.  usage cat -A filename
Tabs appear as ^I
Line feeds as ^L
Carriage return as ^H
EOL as $

Then you can filter with grep for the pattern you're looking for.
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