Solved

Perl Question directed to ozo the genuis

Posted on 2009-05-10
3
149 Views
Last Modified: 2012-05-06
Name any 5 regular expression modifies and describe the effect each has on a pattern match

True / False

1)      You may choose any non-alphanumeric character as a delimiter for a regular expression patter match
2)      while (<$file>) {&} and foreach(<$file>) {&} have the same output (assume similar statement block
3)      while (<$file>) {&} and foreach(<$file>) {&} operate internally in the same manner (assume similar statement block
0
Comment
Question by:1030071002
  • 2
3 Comments
 
LVL 84

Accepted Solution

by:
ozo earned 500 total points
ID: 24349161
see
perldoc perlop
you can't use whitespace as a delimiter
the output may be different if the block contains things like
print $.
or
<$file>
0
 

Author Comment

by:1030071002
ID: 24349182
dont understand a 100%
0
 

Author Comment

by:1030071002
ID: 24349189
i understand this a 100%
http://perldoc.perl.org/perlop.html
0

Featured Post

Problems using Powershell and Active Directory?

Managing Active Directory does not always have to be complicated.  If you are spending more time trying instead of doing, then it's time to look at something else. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why

Question has a verified solution.

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

Suggested Solutions

Title # Comments Views Activity
Uploading Binary Data using Perl 5 90
Filtering a file to table 9 101
batch script for automated email 12 111
To run CGI/perl on tomcat and connect to oracle database. 5 128
Many time we need to work with multiple files all together. If its windows system then we can use some GUI based editor to accomplish our task. But what if you are on putty or have only CLI(Command Line Interface) as an option to  edit your files. I…
Checking the Alert Log in AWS RDS Oracle can be a pain through their user interface.  I made a script to download the Alert Log, look for errors, and email me the trace files.  In this article I'll describe what I did and share my script.
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…

823 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