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5 years ago
## Letter Space Number
### Instructions
5 years ago
Make a function called `letterSpaceNumber` that receives a string and returns an
array with every instance of a letter, followed by a space, followed by a number
only if that number has only one digit and is not followed by any letter.
### Notions
- https://github.com/ziishaned/learn-regex#3-shorthand-character-sets