Solved

PHP Regular Expression Help. Delete lines with nothing but spaces.

Posted on 2011-09-02
2
220 Views
Last Modified: 2012-08-13
I'm looking for a regex to delete lines that only have spaces  or tabs on them, and NOT delete all line feeds. So a line with just a  \n or \r would stay, but spaces\tabs and a \n or \r would be deleted
0
Comment
Question by:interclubs
2 Comments
 
LVL 109

Expert Comment

by:Ray Paseur
ID: 36476641
Please post your test data set, thanks.
0
 
LVL 35

Accepted Solution

by:
Terry Woods earned 500 total points
ID: 36477016
This appears to work:

$data = preg_replace("/^[\t ]+\r?\n/m","",$data);
0

Featured Post

Gigs: Get Your Project Delivered by an Expert

Select from freelancers specializing in everything from database administration to programming, who have proven themselves as experts in their field. Hire the best, collaborate easily, pay securely and get projects done right.

Question has a verified solution.

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

Whatever be the reason, if you are working on web development side,  you will need day-today validation codes like email validation, date validation , IP address validation, phone validation on any of the edit page or say at the time of registration…
This article discusses how to create an extensible mechanism for linked drop downs.
The viewer will learn how to dynamically set the form action using jQuery.
The viewer will learn how to create a basic form using some HTML5 and PHP for later processing. Set up your basic HTML file. Open your form tag and set the method and action attributes.: (CODE) Set up your first few inputs one for the name and …

813 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

16 Experts available now in Live!

Get 1:1 Help Now