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Valid Number

Hard

00:00

0 users online

Determine if a number is valid based on given rules.

Sample Input:

"  0.1  "

Sample Output:

true

Hints

Hint 1

Check for valid characters: digits, decimal point, exponent

Hint 2

Only one decimal point and one exponent allowed

Hint 3

No signs allowed except in exponent

Code Editor

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