I need to replace a mac address in the above expression with a new mac address using a sed pattern. Note: The mac-address that needs to replaced is not same everytime. I tried this sed expression, but no luck. Batch RegEx for PC. Search and Replace Software at 67% off. Free vector graphics program for mac. Replace, Format, and Extract Text from Thousands of Files. Format, and extract text in thousands of files using regular expressions. With Batch RegEx, you get access to built-in editors featuring syntax highlighting and six custom tools. Every day we review great Mac & PC apps.

1. Regex For Mac Address
2. Search And Replace Excel
3. Regex Search And Replace

I have this existing pattern:

I need to replace a mac address in the above expression with a new mac address using a sed pattern.Note: The mac-address that needs to replaced is not same everytime.

I tried this sed expression , but no luck.

Thanks in Advance

Jotne

2 Answers

Pattern:

Or the following one if uppercase letters are used

Replacement:

Side note: As has been pointer in the comments below, escape parentheses and curly brackets if needed or use -r option

Using sed it would be something like this (just tested)

Use -i option in addition if you want to replace the file on-the-fly

Regex For Mac Address

Content of the tested file (file.txt)

hex494D49hex494D49

Why not use awk? It gives simple and easy to understand solution. What program can i use to download music for mac.

It search for ethernet0.generatedAddress, if found, replace field #2 separated by ' with new mac.

If one extra space is not problem, this would be more clean:

Or this:

JotneJotne

Search And Replace Excel

Regex Search And Replace

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