Web Reference: The Problem deals with basic maths and implementation logic. Any suggestions are welcomed and do subscribe to my YouTube Channel for the latest updates for solutions as well as explanations. Formally, a valid number is defined using one of the following definitions: 1. An integer number followed by an optional exponent. 2. A decimal number followed by an optional exponent. An integer number is defined with an optional sign '-' or '+' followed by digits. It uses the String and Number constructor to cast the string to a number and back again and thus checks if the JavaScript engine's "perfect minimal form" (the one it got converted to with the initial Number constructor) matches the original string.
YouTube Excerpt: Here is the detailed solution of the LEETCODE DAY 15
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