Need help with regex Post: 302848035

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Regex

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"; ...

2. Shell Programming and Scripting

Need a regex

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 ?...

3. UNIX for Dummies Questions & Answers

regex

Can anyone give the detailed explanation on regex search i want to know the use of regex in sed and awk also...... the operators like ^,.,* ....etc i need it with some example.....kindly help on this. I gone through the man pages also..but i was not clear.........

4. Shell Programming and Scripting

regex help

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.

5. Shell Programming and Scripting

Converting perl regex to sed regex

I am having trouble parsing rpm filenames in a shell script.. I found a snippet of perl code that will perform the task but I really don't have time to rewrite the entire script in perl. I cannot for the life of me convert this code into something sed-friendly: if ($rpm =~ /(*)-(*)-(*)\.(.*)/)...

6. Shell Programming and Scripting

Regex for First and Last name

I have a regex I'd like to implement and I believe it should be working and I have tested it on various websites that have regex testers but it always says the name is invalid. #!/bin/bash -x echo Enter the users first and last name. read name if...

7. UNIX for Dummies Questions & Answers

read regex from ID file, print regex and line below from source file

I have a file of protein sequences with headers (my source file). Based on a list of IDs (which are included in some of the headers), I'd like to print out only the specified sequences, with only the ID as header. In other words, I'd like to search source.txt for the terms in IDs.txt, and print...

8. Shell Programming and Scripting

Perl, RegEx - Help me to understand the regex!

I am not a big expert in regex and have just little understanding of that language. Could you help me to understand the regular Perl expression: ^(?!if\b|else\b|while\b|)(?:+?\s+){1,6}(+\s*)$*$ *?(?:^*;?+){0,10}\{ ------ This is regex to select functions from a C/C++ source and defined in...

9. UNIX for Beginners Questions & Answers

Using Regex

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:...

10. Shell Programming and Scripting

Sendmail K command regex: adding exclusion/negative lookahead to regex -a@MATCH

I'm trying to get some exclusions into our sendmail regular expression for the K command. The following configuration & regex works: LOCAL_CONFIG # Kcheckaddress regex -a@MATCH +<@+?\.++?\.(us|info|to|br|bid|cn|ru) LOCAL_RULESETS SLocal_check_mail # check address against various regex...

LEARN ABOUT REDHAT

dos2unix

dos2unix(1)						      General Commands Manual						       dos2unix(1)

NAME

       dos2unix - DOS/MAC to UNIX text file format converter

SYNOPSYS

       dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...]

       Options:

       [-hkqV] [--help] [--keepdate] [--quiet] [--version]

DESCRIPTION

       This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format.

OPTIONS

       The following options are available:

       -h --help
	      Print online help.

       -k --keepdate
	      Keep the date stamp of output file same as input file.

       -q --quiet
	      Quiet mode. Suppress all warning and messages.

       -V --version
	      Prints version information.

       -c --convmode convmode
	      Sets conversion mode. Simulates dos2unix under SunOS.

       -o --oldfile file ...
	      Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used.

       -n --newfile infile outfile ...
	      New  file  mode.	Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be
	      used or you WILL lost your files.

EXAMPLES

       Get input from stdin and write output to stdout.

	      dos2unix

       Convert and replace a.txt. Convert and replace b.txt.

	      dos2unix a.txt b.txt

	      dos2unix -o a.txt b.txt

       Convert and replace a.txt in ASCII conversion mode.  Convert and replace b.txt in ISO conversion mode.  Convert	c.txt  from  Mac  to  Unix
       ascii format.

	      dos2unix a.txt -c iso b.txt

	      dos2unix -c ascii a.txt -c iso b.txt

	      dos2unix -c mac a.txt b.txt

       Convert and replace a.txt while keeping original date stamp.

	      dos2unix -k a.txt

	      dos2unix -k -o a.txt

       Convert a.txt and write to e.txt.

	      dos2unix -n a.txt e.txt

       Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt.

	      dos2unix -k -n a.txt e.txt

       Convert and replace a.txt. Convert b.txt and write to e.txt.

	      dos2unix a.txt -n b.txt e.txt

	      dos2unix -o a.txt -n b.txt e.txt

       Convert c.txt and write to e.txt. Convert and replace a.txt.  Convert and replace b.txt. Convert d.txt and write to f.txt.

	      dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt

DIAGNOSTICS

BUGS

       The program does not work properly under MSDOS in stdio processing mode.  If you know why is that so, please tell me.

AUTHORS

       Benjamin Lin - <blin@socs.uts.edu.au>

       Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org>

MISCELLANY

       Tested environment:

	      Linux 1.2.0 with GNU C 2.5.8

	      SunOS 4.1.3 with GNU C 2.6.3

	      MS-DOS 6.20 with Borland C++ 4.02

       Suggestions and bug reports are welcome.

SEE ALSO

       unix2dos(1) mac2unix(1)

1995.03.31							   dos2unix v3.0						       dos2unix(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Regex

Discussion started by: deepakpv

2. Shell Programming and Scripting

Need a regex

Discussion started by: Legend986

3. UNIX for Dummies Questions & Answers

regex

Discussion started by: sivakumar.rj

4. Shell Programming and Scripting

regex help

Discussion started by: and77