DIY: Valid Number
Understand how to determine if a string is a valid decimal number by analyzing characters like digits, signs, decimals, and exponents. This lesson helps you implement a validation function to solve common coding interview problems related to number parsing.
We'll cover the following...
We'll cover the following...
Problem statement
Validate if a given string can be interpreted as a decimal number or not. Here is a list of characters that can appear in a valid decimal number:
-
Numbers -
0-9 -
Exponent -
"e" -
Positive/negative sign -
"+"/"-"...