How do I retreive specific part of a textfile?

Hi! I am trying to retreive text from a txt file and display the content on the screen. I'm using AJAX to retreive the content of the .txt file and it works fine but I'm at a loss as for how to retreive a specific part of the textfile.

Say my textfile look like this:

"

01 text!

02 another text!

"

How can I retreive only the part that starts with 01 and stop reading after the exclamation mark?

Thanks!

Use a regex expression to do that:

RegexMatchAt(AJAX.LastData, "01.*!", "", 0)

Regex is very powerful and allows you to do a lot of cool text searching.

https://developer.mozilla.org/en-US/doc ... xpressions

This is the expression I used:

01.*!

What it does is:

0 matches "0"

1 matches "1"

. matches anything

* matches any number of the previous. Or in this case anything

! matches "!"

One way you could do it, is by removing the 01 and ! and just putting each message on a new line, then use the tokenat system expression with the delimiter being the newline thing (character?). Or, you could use a regex, in a general case, this regex would work: "[\d]+\s([\w\s]+\!)". For the purpose of extracting a string, if you know the number of the text you want, have that number stored, as a variable or parameter and then this regex would work: number & '\s([\w\s]+\!)'".

So this: would always return the first regex match (text):

However, this would allow you to specify the number:

Thanks R0J0hound, it works wonders and that link was very helpful!