Something like s/(\s+)/length($1)/ge ?

This is untested code, please show some effort applying, questioning and understanding it.

Cheers Rolf

PS: Je suis Charlie!

In reply to Re: How can I replace space sequences in a string with the number of spaces in each sequence? by LanX
in thread How can I replace space sequences in a string with the number of spaces in each sequence? by tkguifan

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