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user:1234 user:me (yours) |
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score:3 (3+) score:0 (none) |
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answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
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title:apples body:"apples oranges" |
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Results tagged with balanced-string
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user 113118
In a balanced string certain pairs of characters or substrings always appear with the same amount. Often there are additional restrictions that those pairs also have to be ordered. The most common example is a correctly parenthesized string. See also the [palindrome] and [syntax] tags.
2
votes
Is it a valid list?
Javascript, 79 78 77 bytes
f=s=>eval("r=/(<(<>,)+<>>)|(<<>>)/;r.test(s)&&f(s.replace(r,'<>'))||s=='<>'")
uses the characters <,> and returns true/false
saved 1 byte thanks to @RadvylfPrograms
saved 1 …
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