Tag: strings

All the articles with the tag "strings".

• How to Convert String to int in C++: stoi, atoi, and stringstream

  Updated: 18 Sep, 2026

  Learn how to convert a string to int in C++ using stoi, atoi, and stringstream. Includes error handling, examples, and when to use each method safely.

• How to Replace a Substring in a C++ String

  Updated: 18 Sep, 2026

  Replace text inside a C++ string: replace one occurrence, replace all occurrences with a loop, and use std::string::replace by position. Copy-paste code included.

• How to Trim Whitespace from a String in C++

  Updated: 18 Sep, 2026

  Trim leading and trailing whitespace from a C++ string. Copy-paste trim, ltrim and rtrim functions using find_first_not_of, plus a C++20 ranges version.

• How to Remove a Character from a String in C++

  18 Sep, 2026

  Remove characters from a C++ string with erase, the erase-remove idiom, and remove_if. Delete by index, by value, all spaces, or every character matching a rule.