Hence, the eight consecutive characters may appear anywhere on a line. Right?
Yes, but since the lines that match the character class in question contain only those characters; and a regex will always match as early as possible; that'll be at the beginning of the line in these cases.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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In reply to Re^3: Why doesn't quantifier work with character classes?