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Top Forums Shell Programming and Scripting Perl - Regular Expressions - Match complete word only Post 302602956 by forums123456 on Tuesday 28th of February 2012 06:58:05 PM
Old 02-28-2012
Perl - Regular Expressions - Match complete word only

Hi Team,

I have two strings like:
Code:
xxx|yyy|Arizona Cardinals| Tell Cardinals | Cardinals
bbb|Bell Earn, Jr | Bell Earn | Jayhawks | hawks

I have a lookup file which has a set of strings. These need to be removed from above two strings

Lookup file Contents:
Code:
Bell Earn, Jr
hawks
Arizona Cardinals

Final output should be like:
Code:
xxx|yyy| Tell Cardinals | Cardinals
bbb| Bell Earn | Jayhawks

What i am trying to do is, complete word need to be removed. Partial matches should not be removed.
Jayhawks in 2nd string should remain as is ( hawks should not match to Jayhawks )
Cardinals in first string should not be removed.

How can i just remove complete word? I tried to use boundary \b, but this is causing issues with Bell Earn, Jr
Bell Earn, Jr have a comma in it and so only Bell Earn is removed. , Jr are retained which is not i am looking for.
I appreciate your responses.

Last edited by Franklin52; 02-29-2012 at 03:15 AM.. Reason: Please use code tags for code and data samples, thank you
 

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SEQ(1)							    BSD General Commands Manual 						    SEQ(1)

NAME
seq -- print sequences of numbers SYNOPSIS
seq [-w] [-f format] [-s string] [-t string] [first [incr]] last DESCRIPTION
The seq utility prints a sequence of numbers, one per line (default), from first (default 1), to near last as possible, in increments of incr (default 1). When first is larger than last the default incr is -1. All numbers are interpreted as floating point. Normally integer values are printed as decimal integers. The seq utility accepts the following options: -f format Use a printf(3) style format to print each number. Only the E, e, f, G, g, and % conversion characters are valid, along with any optional flags and an optional numeric minimum field width or precision. The format can contain character escape sequences in backslash notation as defined in ANSI X3.159-1989 (``ANSI C89''). The default is %g. -s string Use string to separate numbers. The string can contain character escape sequences in backslash notation as defined in ANSI X3.159-1989 (``ANSI C89''). The default is . -t string Use string to terminate sequence of numbers. The string can contain character escape sequences in backslash notation as defined in ANSI X3.159-1989 (``ANSI C89''). This option is useful when the default separator does not contain a . -w Equalize the widths of all numbers by padding with zeros as necessary. This option has no effect with the -f option. If any sequence numbers will be printed in exponential notation, the default conversion is changed to %e. The seq utility exits 0 on success and non-zero if an error occurs. EXAMPLES
# seq 1 3 1 2 3 # seq 3 1 3 2 1 # seq -w 0 .05 .1 0.00 0.05 0.10 SEE ALSO
jot(1), printf(1), printf(3) HISTORY
The seq command first appeared in Plan 9 from Bell Labs. A seq command appeared in NetBSD 3.0, and ported to FreeBSD 9.0. This command was based on the command of the same name in Plan 9 from Bell Labs and the GNU core utilities. The GNU seq command first appeared in the 1.13 shell utilities release. BUGS
The -w option does not handle the transition from pure floating point to exponent representation very well. The seq command is not bug for bug compatible with the Plan 9 from Bell Labs or GNU versions of seq. BSD
February 19, 2010 BSD
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