Hi,

I got stuck with the following:
Imagine we have a string in stdout of a command that we would like to 
filter out:

Error123: some 'thing' (happened)

If we want to filter that out we would do something like

"{{ item.stderr.regex_replace('Error[0-9]+: some \\'thing\\' 
\\(happened\\)', '') }}"

However due to the fact that we have a colon, a single quote and brackets 
in our string I was unable to come up with the right escape sequence - 
whatever I tried, it always failed on one of these. 

What would be the right way to escape these special character when they are 
also used in 
the filter function like regex_replace?

Thanks!

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