Solved

Perl Question directed to ozo the genuis

Posted on 2009-05-10
3
147 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

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

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

Suggested Solutions

Title # Comments Views Activity
perl script help 5 233
Perl Sort Question 4 129
Perl Script - Remove column of data based on column value 2 50
Perl Frameworks 1 81
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…
This tutorial gives a high-level tour of the interface of Marketo (a marketing automation tool to help businesses track and engage prospective customers and drive them to purchase). You will see the main areas including Marketing Activities, Design …

895 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

Need Help in Real-Time?

Connect with top rated Experts

12 Experts available now in Live!

Get 1:1 Help Now