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Full Discussion: Grep expression
Top Forums UNIX for Beginners Questions & Answers Grep expression Post 303035742 by ahfze on Saturday 1st of June 2019 08:30:11 PM
Old 06-01-2019
Grep expression
im trying to find the best way to match an expression using grep.

input file is
Code:
<html>word word word word.</a>
<html>word word word word word word .</a>
<html>word word word word word word word word .</a>
<html>word word word word word word word word word word word word word word word word word .</a>

i want the output to be in format word........word.
so output will be
Code:
word word word word.
word word word word word word .
word word word word word word word word .
word word word word word word word word word word word word word word word word word .

i have
Code:
grep -Po -e '(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+\.)'  input

but above code wont give me desired output.
can anyone help?
 

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LEARN ABOUT DEBIAN

sql::reservedwords::postgresql

SQL::ReservedWords::PostgreSQL(3pm)			User Contributed Perl Documentation		       SQL::ReservedWords::PostgreSQL(3pm)

NAME

       SQL::ReservedWords::PostgreSQL - Reserved SQL words by PostgreSQL

SYNOPSIS

	  if ( SQL::ReservedWords::PostgreSQL->is_reserved( $word ) ) {
	      print "$word is a reserved PostgreSQL word!";
	  }

DESCRIPTION

       Determine if words are reserved by PostgreSQL.

METHODS

       is_reserved( $word )
	   Returns a boolean indicating if $word is reserved by either PostgreSQL 7.3, 7.4, 8.0 or 8.1.

       is_reserved_by_postgresql7( $word )
	   Returns a boolean indicating if $word is reserved by either PostgreSQL 7.3 or 7.4.

       is_reserved_by_postgresql8( $word )
	   Returns a boolean indicating if $word is reserved by either PostgreSQL 8.0 or 8.1.

       reserved_by( $word )
	   Returns a list with PostgreSQL versions that reserves $word.

       words
	   Returns a list with all reserved words.

EXPORTS

       Nothing by default. Following subroutines can be exported:

       is_reserved
       is_reserved_by_postgresql7
       is_reserved_by_postgresql8
       reserved_by
       words

SEE ALSO

       SQL::ReservedWords

       <http://www.postgresql.org/docs/manuals/>

AUTHOR

       Christian Hansen "chansen@cpan.org"

COPYRIGHT

       This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.8.8							    2008-03-28				       SQL::ReservedWords::PostgreSQL(3pm)
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