LeetCode OJ 系列之65 Valid Number --Python
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Problem:
Validate if a given string is numeric.
Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true
Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before implementing one.
Update (2015-02-10):
The signature of the C++ function had been updated. If you still see your function signature accepts a const char * argument, please click the reload button to reset your code definition.
class Solution(object): def isNumber(self, s): """ :type s: str :rtype: bool """ try: num = float(s) except: return False return True
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