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How can I trim all valid mac addresses from multi vendor switch mac-address table dumps?

‎Read reviews, compare customer ratings, see screenshots, and learn more about Patterns - The Regex App. Download Patterns - The Regex App for macOS 10.6 or later and enjoy it on your Mac. To quickly find any text string within any text file, try this from a terminal window: grep -l [text to find] [files to look in] For example, grep -l 123abc *.html will list the name of any file in the current directory that ends in.html and contains the string 123abc. (That's a lower-case-L following the GREP) Quite powerful, and fairly fast. Thanks a lot to @Moshe for the great answer above. After doing some more research I would like to add my extra findings, both in regards to IEEE 802 and enforcing consistent separator usage in regex.

Snagit for mac text extraction. I've got the following so far..

The input lines won't necessarily have the same number of chars before or after the MAC address. With an input file such as:

I'd like an output of:

RonnieRonnie

2 Answers

You may have to tweak the Mac pattern but 12 minimum seemed reasonable hint to give to the parser to make it work.

What Is Regex

Free zip file extractor for mac. Resultant Dynamic Entities

ΩmegaManΩmegaMan

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You're pattern already matched your sample data, so I just tweaked to actually match the entire mac address into a capture group so that a String.Replace() could be done to remove it.

Python Regex For Mac Address

Results:

Shar1er80

What Is Regex Used For

Shar1er80

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Regex For Text In Mac