Use regular expression to extract IPNS from the string used when following planet

[livid]

Example input:

• https://k51qzi5uqu5dir61v06et0p25sdrxnfe34kgebzgi4rj43mj1kjbfx1rcpro6u.ipfs2.eth.limo/
• https://ipfs.io/ipns/k51qzi5uqu5dir61v06et0p25sdrxnfe34kgebzgi4rj43mj1kjbfx1rcpro6u

Extract k51qzi5uqu5dir61v06et0p25sdrxnfe34kgebzgi4rj43mj1kjbfx1rcpro6u from these inputs.