Regex for filename in grep Post: 302827877

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having a look on the regex site I saw that characters can be search using hex values http://www.regular-expressions.info/characters.html So I try to use it whith grep to find a � on a string (octal Decimal Hexa : 350 232 E8) but it doesn't work E.g. /usr/bin/echo '\0350' | egrep '\xE8' ...

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correct syntax for using "grep regex filename" ?

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Hello guys, Here i am writing a script in bash to check for a valid URL from a file using regex This is my input file http://www.yahoo.commmmmm http://www.google.com https://www.gooogle.co www.test6.co.in www.gmail.com www.google.co htt://www.money.com http://eeeess.google.com...

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whatis

APROPOS(1)						    BSD General Commands Manual 						APROPOS(1)

NAME

     apropos, whatis -- keyword search whatis documentation databases

SYNOPSIS

     apropos [-d] keyword ...
     whatis [-d] keyword ...

DESCRIPTION

     The apropos utility searches a set of databases looking for documentation matching each keyword and displays the results.	The whatis utility
     does the same search but only on complete words.

     -d  Print extra debugging information.

     The keyword is simply passed to grep(1) allowing for extended regular expression matches.

ENVIRONMENT

     The following environment variables affect the execution of apropos:

     MANLOCALES, MANPATH, PATH
	    Used to find the location of the whatis database files. See manpath(1) for additional information.

     PAGER  Program used to display files.  If unset, more -s is used.

DIAGNOSTICS

     The apropos utility exits 0 if a keyword matched and 1 if no keywords are matched or no whatis databases are found.

SEE ALSO

     grep(1), makewhatis(1), man(1), manpath(1), man.conf(5)

BSD
								 September 1, 2010							       BSD

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