Posts categorized in ‘regex’

In Matlab, the groups that are defined in parentheses are saved as tokens.

Here is a example where I am retreiving the first matched group or token.

This is the most common way of my sed usage:

echo Good morning | sed 's/\(.*\s\+\).*/\1evening/g'

Here are brief notes on that ..

This posts explain how the emacs in-built query-replace-regexp command can be used to convert upper-cased strings to lower case.

I found how to escape a $ sign in a regex expression in a tcsh alias. BUT it is UGLY!