Solved

Regex Help

Posted on 2015-01-09
4
92 Views
Last Modified: 2015-02-11
Hello EE,

I have a huge text file and I need get only the strings where :

Always some letters at the beginning (but never numbers), then always  the character   :   then always some letters and/or numbers

so something like this would work:

abcd: test1234

that wouldnt work :
April 24, 1946: abcd1

that wouldnt work:
abcd:

can you help? thanks!
0
Comment
Question by:PhilippeRenaud
4 Comments
 
LVL 69

Expert Comment

by:Qlemo
ID: 40540640
I'll assume the characters following the colon are arbitrary, then this regex should work:  '[a-zA-Z]+:.*[a-zA-Z0-9]+'
0
 
LVL 20

Assisted Solution

by:n2fc
n2fc earned 250 total points
ID: 40540645
Might not be the best...
But this works:

[A-Za-z]+\:[A-Za-z0-9]+

You can try it out here:
http://regexpal.com/

or here:
http://www.regexr.com/
0
 
LVL 84

Accepted Solution

by:
ozo earned 250 total points
ID: 40541724
^[a-zA-Z]+:\s*[a-zA-Z0-9]+
0
 
LVL 1

Author Closing Comment

by:PhilippeRenaud
ID: 40604114
sorry for delay guys..thanks
0

Featured Post

Master Your Team's Linux and Cloud Stack!

The average business loses $13.5M per year to ineffective training (per 1,000 employees). Keep ahead of the competition and combine in-person quality with online cost and flexibility by training with Linux Academy.

Question has a verified solution.

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

For those of you who don't follow the news, or just happen to live under rocks, Microsoft Research released a beta SDK (http://www.microsoft.com/en-us/download/details.aspx?id=27876) for the Xbox 360 Kinect. If you don't know what a Kinect is (http:…
The article shows the basic steps of integrating an HTML theme template into an ASP.NET MVC project
Learn how to match and substitute tagged data using PHP regular expressions. Demonstrated on Windows 7, but also applies to other operating systems. Demonstrated technique applies to PHP (all versions) and Firefox, but very similar techniques will w…
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…

803 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