Visit The New, Modern Unix Linux Community


Generation of Regex for Perl script


 
Thread Tools Search this Thread
Top Forums UNIX for Beginners Questions & Answers Generation of Regex for Perl script
# 1  
Generation of Regex for Perl script and delete

I want to generate regex for this kind of expression and want to find and replace.

like :
----> [-reset, enable;+-]


basically i want to find anything that match a pattern like this [-any string with or without space-] and remove the whole thing
Please looking for some suggestions

Last edited by utkarshkhanna44; 06-12-2019 at 08:35 AM..
# 2  
Code:
$ echo '[string 1 ] apple [ string 2]' | perl -pi -e ' s/[[][^]]*]//g; '
 apple


Last edited by anbu23; 06-12-2019 at 09:08 AM..
This User Gave Thanks to anbu23 For This Post:

Previous Thread | Next Thread
Thread Tools Search this Thread
Search this Thread:
Advanced Search

Test Your Knowledge in Computers #799
Difficulty: Medium
In digital numeral systems, the radix is the number of unique digits minus 1.
True or False?

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Help with understanding this regex in a Perl script parsing a 'complex' string

Hi, I need some guidance with understanding this Perl script below. I am not the author of the script and the author has not leave any documentation. I supposed it is meant to be 'easy' if you're a Perl or regex guru. I am having problem understanding what regex to use :confused: The script does... (3 Replies)
Discussion started by: newbie_01
3 Replies

2. 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... (2 Replies)
Discussion started by: alex_5161
2 Replies

3. Shell Programming and Scripting

?= in perl regex

Could anyone please make me understand how the ?= works below .. After executing this I am getting the same output. $string="I love chocolate."; $string =~ s/chocolate(?= ice)/vanilla/; print "$string\n"; (2 Replies)
Discussion started by: scriptscript
2 Replies

4. Programming

Perl regex

Hello folks, Looking for a quick help on regex in my perl script. here's the string i want to parse and get the 2nd field out of it. $str = " 2013-08-07 12:29 Beta ACTIVE"; I want to extract 'Beta' out of this string. This string will keep on changing... (2 Replies)
Discussion started by: jhamaks
2 Replies

5. Programming

Perl regex

Hello, I'm trying to get a quick help on regex since i'm not a regular programmer. Below is the line i'm trying to apply my regex to..i want to use the regex in a for loop and this line will keep on changing. subject=... (4 Replies)
Discussion started by: jhamaks
4 Replies

6. Shell Programming and Scripting

Report generation using perl script

Hi, I have a perl script to read the log file and create a report from it. I have the script file and log file in a different directories. Now i have pipe the log file data to the perl script to create the report (HMTL file). I am using the below command this isn't working tail -f... (4 Replies)
Discussion started by: vel4ever
4 Replies

7. Programming

Perl regex

HI, I'm new to perl and need simple regex for reading a file using my perl script. The text file reads as - filename=/pot/uio/current/myremificates.txt certificates=/pot/uio/current/userdir/conf/user/gamma/settings/security/... (3 Replies)
Discussion started by: jhamaks
3 Replies

8. Shell Programming and Scripting

Table / Boxes Generation in PERL

Hi all, I was wondering, if there is any way to generate boxes/tables using perl to represent some data in better format. input : Name SAlary pranav 10000 ajay 5000 shri 15000 output : _________________________ |Name |Salary |... (3 Replies)
Discussion started by: PranavEcstasy
3 Replies

9. Shell Programming and Scripting

shell or perl script using grep and regex

Hi, I have file stored in a directory containing information about subnet mask and next hop address in the following format 10.1.1.0/16, 255.255.0.0, 10.1.1.1 10.1.2.0/16, 255.255.0.0,10.1.2.1 here 10.1.1.0/16 represent range of ip address 10.1.1.1-10.1.1.16 given say an IP address... (1 Reply)
Discussion started by: termeric
1 Replies

10. 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 =~ /(*)-(*)-(*)\.(.*)/)... (1 Reply)
Discussion started by: suntzu
1 Replies

Featured Tech Videos