Practice>Python>Regex and Parsing>Detect Floating Point Number

hackerrank.com

Detect Floating Point Number

Problem Link : https://www.hackerrank.com/challenges/introduction-to-regex/problem

Difficulty : Easy

 

Tip

• We can solve in two ways
• One is to solve by using regular expression, by detecting -, + and .
• The other is a way to utilize int(), float(), let's try this way
• We can create int() or float() from string
• If the given string is not proper, it will raise exception
• Use exception to print True or False, properly

 

Solution

N = int(input()) for _ in range(N): s = input() try: int(s) print(False) except: try: float(s) print(True) except: print(False)