/TypeScript/How to validate if all characters enetred in a string are alphabets and then reprompt user

How to validate if all characters enetred in a string are alphabets and then reprompt user

#include <iostream>
#include <string>
#include <cctype>

// check for only alphabetical letters in string (or spaces)
bool lettersOrSpaces(const std::string& str)
{
    for (size_t i = 0; i < str.size(); i++)
    {
        // make sure each character is A-Z or a space
        if (! std::isalpha(str[i]) && ! std::isspace(str[i]))
        {
            return false; ///< at least one "no match"
        }
    }
    return true;  ///< all characters meet criteria
}

int main()
{
    std::string townName;
    std::cout << "Enter name of town: ";
    while (std::getline(std::cin, townName) && !lettersOrSpaces(townName))
    {
        std::cout << "Enter the town name - alphabet only: ";
    }
    std::cout << "The name of town is: " << townName << std::endl;

    return 0;
}

Source: stackoverflow.com

Similar codes

0 vote186 views1 answer
How to put the contents of a file into an array in bash
TypeScript
9 votes181 views1 answer
Print list without brackets int python
TypeScript
0 vote175 views1 answer
How to get ppt screen shots from a video using python
TypeScript
0 vote160 views1 answer
Python arbitrary arguments *args mcqs
TypeScript
0 vote151 views1 answer
Classes in ts
TypeScript
0 vote163 views1 answer
Deleting a comnent from arrays of comments in mongodb
TypeScript
0 vote174 views1 answer
Requests python-passlib python-pil -y ubuntu 18.04
TypeScript
0 vote169 views1 answer
Join all lists in list python
TypeScript
0 vote151 views1 answer
See all github issue comments i made site:stackoverflow.com
TypeScript
0 vote173 views1 answer
How to specify output directory in TypeScript?
TypeScript