Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people, just like you, are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
Solved

about patten matching in perl

Posted on 2003-12-06
2
217 Views
Last Modified: 2010-03-04
i wanna filter web URL from a file

and the pattern of URL is
----------------------------------------
http://xxxxxxxxxxxxxxxxxxx.jpg


example
http://img2.photo.163.com/lxx17385/542900/4366225.jpg
http://www.yoto.com/fff.jpg

-------------------------------------------

i then tried this code

while ($line = <FILE>) {
  if ($line =~ m/(http:\/+*jpg)/g) {
    print $1."\n";
      print "line: $j -> ", $line, "\n";
      $j++;
  }
 
}

however,, there is error i don't know how to fix

any suggestion?
Tom
0
Comment
Question by:tom_mk
2 Comments
 
LVL 84

Accepted Solution

by:
ozo earned 500 total points
ID: 9890576
while( $line =~ m/(http:\/.*?jpg)/g ){
    print $1."\n";
     print "line: $j -> ", $line, "\n";
     $j++;
}
0
 

Author Comment

by:tom_mk
ID: 9890606
thx man
0

Featured Post

Free Tool: Postgres Monitoring System

A PHP and Perl based system to collect and display usage statistics from PostgreSQL databases.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I've just discovered very important differences between Windows an Unix formats in Perl,at least 5.xx.. MOST IMPORTANT: Use Unix file format while saving Your script. otherwise it will have ^M s or smth likely weird in the EOL, Then DO NOT use m…
Email validation in proper way is  very important validation required in any web pages. This code is self explainable except that Regular Expression which I used for pattern matching. I originally published as a thread on my website : http://www…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…

856 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question