Help with parsing that "hangs" about parsy HOT 3 CLOSED

Your example works if you replace the * with a + inside the regexes.

When you use a *, you're saying that an empty string is a valid spaces and also a valid word, and so word.sep_by(spaces) can have an infinite amount of empty words separated by empty spaces as a prefix.

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My goodness! I had not thought about that. Thank you. Is there any caveat in leaving * in spaces but remove it from word (i.e. to allow zero or more spaces between them)?

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Never mind, it would mean that a long word could be parsed as one word per letter, I suppose. In any way, thank you.

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