Tag: strings
All the articles with the tag "strings".
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How to Check if a String Is a Number in C++
Check whether a C++ string is a valid number using stoi with exceptions, stringstream, or from_chars. Handles negatives, decimals and trailing junk correctly.
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C++ String Length: size() vs length() vs strlen()
Get the length of a string in C++. Why size() and length() are identical, when to use strlen for char arrays, and the signed-unsigned trap that breaks loops.
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C++ Split String: How to Split a String by Delimiter (3 Ways)
Updated:Learn how to split a string in C++ by space, by a character, or by a substring. Three clear methods using stringstream, getline, and find, with examples.
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C++ Check if String Contains Substring (find and contains)
Updated:Learn how to check if a string contains a substring in C++ using find(), the C++23 contains() method, and a case-insensitive approach, with clear examples.