Regex for First and Last name Post: 302535364

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Hi, i want to match a string using perl that has got 5 pluses(+++++). i am using a function for this. $str1="+++++"; check($str1,"\\+"); sub check{ $str1=$_; $str2=$_; if($str1=~m/^$str2{5}$/){ print "Correct.\n"; }else{ print "Wrong..\n"; ...

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Hi, I am trying to grep for the following type of string from a document given below: 12637 1239 3356 12956 7004 7004 7004 13381 13381 *> 12.0.1.63 0 7018 21872 ? * 208.51.134.254 53 0 3549 7018 21872 ?...

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I would like to search strings composed by only one type of charachter for example only strings composed by the charachter 'b' is it right? $egrep '\<(b+)+\>' filename Could be there some side effects? Regards.

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Here i am writing a script to check&display only the valid mail address from a file echo "Plz enter the Target file name with path" read path if then echo "The valid mail address are:" email=$(grep -E -o "\b+@+\.{2,6}\b" $path ) echo "$email" fi The file contains the data like this:...

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LEARN ABOUT MINIX

ppmtopgm

ppmtopgm(1)                                                   General Commands Manual                                                  ppmtopgm(1)

NAME

       ppmtopgm - convert a portable pixmap into a portable graymap

SYNOPSIS

       ppmtopgm [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as  input.  Produces a portable graymap as output.  The output is a "black and white" rendering of the original
       image, as in a black and white photograph.  The quantization formula used is .299 r + .587 g + .114 b.

       Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any  ppm  program  can
       read  pgm  (and  pbm  ) files automatically.  pgmtoppm is for colorizing a pgm file.  Also, see ppmtorgb3 for a different way of converting
       color to gray.  And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate  the  original
       colors, not necessarily a way that looks like a black and white photograph.

QUOTE

       Cold-hearted orb that rules the night
       Removes the colors from our sight
       Red is gray, and yellow white
       But we decide which is right
       And which is a quantization error.

SEE ALSO

       pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

                                                                   10 April 2000                                                       ppmtopgm(1)

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