Sponsored Content
Full Discussion: regular expression help
Top Forums Shell Programming and Scripting regular expression help Post 302306930 by ghostdog74 on Tuesday 14th of April 2009 08:49:01 AM
Old 04-14-2009
if you are able to use Perl and install module Data::Validate::IP, it makes your life much easier
Code:
#!/usr/bin/perl

use Data::Validate::IP qw(is_ipv4);
$ip = "192.168.0.1";
if(is_ipv4($ip)){
        print "$ip is valid ip address\n";
}else{
        print "$ip is an ip address\n";
}
$ip = "1.1.257.2";
if(is_ipv4($ip)){
        print "$ip is valid ip address\n";
}else{
        print "$ip is Not an ip address\n";
}

output
Code:
# ./test.pl
192.168.0.1 is valid ip address
1.1.257.2 is Not an ip address

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Regular Expression + Aritmetical Expression

Is it possible to combine a regular expression with a aritmetical expression? For example, taking a 8-numbers caracter sequece and casting each output of a grep, comparing to a constant. THX! (2 Replies)
Discussion started by: Z0mby
2 Replies

2. Programming

What does the regular expression ['(^[^~]+~).*'] mean?

What does the regular expression +~).*'] mean while using it with regexec.When the string "RCHNUSNT35C~rs07/ASM-RS07" is used with the regular expression +~).*'] regexec gives an error. I know what regexec does,but i do not understand what this expression means wrt to this string... any help... (2 Replies)
Discussion started by: anupamar
2 Replies

3. Linux

Regular expression to extract "y" from "abc/x.y.z" .... i need regular expression

Regular expression to extract "y" from "abc/x.y.z" (2 Replies)
Discussion started by: rag84dec
2 Replies

4. UNIX for Dummies Questions & Answers

ls with regular expression

I currently list and sort all the files in a directory which begin with an Upper Case C and end with the extension '#finished#'. Here is the command I use: ls -tr $currentDir/*.#finished# what i need to do now is list all the files in a directory that begin with upper case C and end... (3 Replies)
Discussion started by: rkgudde
3 Replies

5. Shell Programming and Scripting

Integer expression expected: with regular expression

CA_RELEASE has a value of 6. I need to check if that this is a numeric value. if not error. source $CA_VERSION_DATA if * ] then echo "CA_RELESE $CA_RELEASE is invalid" exit -1 fi + source /etc/ncgl/ca_version_data ++ CA_PRODUCT_ID=samxts ++ CA_RELEASE=6 ++ CA_WEEK_NO=7 ++... (3 Replies)
Discussion started by: ketkee1985
3 Replies

6. Programming

Perl: How to read from a file, do regular expression and then replace the found regular expression

Hi all, How am I read a file, find the match regular expression and overwrite to the same files. open DESTINATION_FILE, "<tmptravl.dat" or die "tmptravl.dat"; open NEW_DESTINATION_FILE, ">new_tmptravl.dat" or die "new_tmptravl.dat"; while (<DESTINATION_FILE>) { # print... (1 Reply)
Discussion started by: jessy83
1 Replies

7. UNIX for Advanced & Expert Users

sed: -e expression #1, char 0: no previous regular expression

Hello All, I'm trying to extract the lines between two consecutive elements of an array from a file. My array looks like: problem_arr=(PRS111 PRS213 PRS234) j=0 while } ] do k=`expr $j + 1` sed -n "/${problem_arr}/,/${problem_arr}/p" problemid.txt ---some operation goes... (11 Replies)
Discussion started by: InduInduIndu
11 Replies

8. UNIX for Dummies Questions & Answers

Regular expression help

Hi, I am quite knew to scripting and I am trying to get a regular expression to work to check that a user enters a valid version number such as 1 or 1.1 or 12.3 etc. I dont seem to be able to get it to work as it picks up versions such as 1.......2. I only want it to work with a single dot.... (12 Replies)
Discussion started by: frodo61
12 Replies

9. Shell Programming and Scripting

Regular expression

Can someone please explain me what does this mean? ^{1,50}$ (1 Reply)
Discussion started by: Anupam_Halder
1 Replies

10. Shell Programming and Scripting

Regular expression

I would like to extract "JDBC Thin Client" from (PROGRAM=JDBC Thin Client); and "C:\Python26\python.exe" from (PROGRAM=C:\Python26\python.exe); "txm_v_awsrf_db.pr" from (PROGRAM=txm_v_awsrf_db.pr). if input line like "(PROGRAM=)", it return unknown. Would you help suggest a regular... (4 Replies)
Discussion started by: cstsang
4 Replies
mdoc-validate(1)					      General Commands Manual						  mdoc-validate(1)

NAME
mdoc validate - Validate XML documents against a schema SYNOPSIS
mdoc validate [OPTIONS]* PATHS+ DESCRIPTION
mdoc validate validates the specified PATHS against a specified format schema. OPTIONS
--format=FORMAT The documentation format to validate PATHS against. Supported formats include: ecma. See the FORMATS section below for more information about these formats. The default format (if none is specified) is ecma. -h, -?, --help Display a help message and exit. FORMATS
The following documentation formats are supported: ecma The Mono ECMA Documentation Format validates all output generated by mdoc-update(1) against an XML schema, including the index.xml, ns-*.xml, and NamespaceName/TypeName.xml files. See mdoc(5) for details about this file format. EXAMPLES
To validate the mdoc-update(1) output stored within a directory (and all documentation within that directory, recursively), use: mdoc validate /path/to/ecma/docs MAILING LISTS
Visit http://lists.ximian.com/mailman/listinfo/mono-docs-list for details. WEB SITE
Visit http://www.mono-project.com/mdoc for details mdoc-validate(1)
All times are GMT -4. The time now is 06:42 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy