From: Christopher L. Barnard (cbar44@tsg.cbot.com)
Date: Fri Jan 28 2005 - 19:54:14 EST
I want to match, case does not matter, a string
foo: bar
where foo starts the line, there can be one or more whitespace characters
between the : and the bar, and there can be zero or more whitespace
characters between the bar and the end of line. "whitespace characters"
here means spaces or tabs.
/usr/bin/egrep -i ^foo:[ ][ ]*bar[ ]*$
works with any combination of spaces I use. But when I add \t to the regex:
/usr/bin/egrep -i ^foo:[ \t][ \t]*bar[ \t]*&
it fails. I have tried escaping the \t (as in, \\t), but that did not help.
I tried bracketing with ( and ), but that did not help. I have used double
and single quotes, and that did not help. Can anyone suggest how to write an
RE that will see a tab character? TIA and I will summarize.
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| Christopher L. Barnard O When I was a boy I was told that |
| cbarnard@tsg.cbot.com / \ anybody could become president. |
| (312) 347-4901 O---O Now I'm beginning to believe it. |
| http://www.cs.uchicago.edu/~cbarnard --Clarence Darrow |
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