Is String a Number? (Part II)

Elementary+

On vous donne une chaîne de caractères. Votre fonction doit retourner True si la chaîne est un nombre valide (elle ne contient que des chiffres et des "+-." aux endroits appropriés), sinon - False. Regardez le masque:

[+- ][zero or more digits][.][zero or more digits]

Bien sûr, toutes les parties ne...

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numbers
string

by:

freeman_lex

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