Extract Hashtags
Find every hashtag in your text and list them one per line. A hashtag is a '#' followed by letters, digits or underscores. Great for auditing social posts and building tag clouds.
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Worked example
#gg
#rustlang
Frequently asked
What characters can a tag contain?
Letters, digits and underscores after the '#'.
What if there are no tags?
It prints 'none found'.