I have a large text file, I need to trim every line that begins with a certain string down to 72 characters.

I have been playing with regex but havent had any luck.  Any ideas?
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käµfm³d 👽Commented:
What language or text editor are you using to accomplish this? Also, how long is the "certain string"?
dblameuserAuthor Commented:
I am using notepad ++, the string is only 5 characters long.
So every line that begins with <213> I need to trim to 72 characters.
käµfm³d 👽Commented:


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If your version of N++ has it, make sure ". matches newline" is unchecked.

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dblameuserAuthor Commented:
That did the trick!  Thank you!
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Regular Expressions

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