How do I replace any number of character occurences with one occurrence?
Let's say I have:
aaa
aaaaaa
aaaaa
aaaaaaaa
All of the above should be replaces with a single 'z' character say for example
I can do exact matches, say for 'aaaaaa' - but am unsure how I can do for any number
I'm sure it should be possible to do using one line of code - but I'm just not sure where to start!
Thanks
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