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std::strchr

From cppreference.com
< cpp‎ | string‎ | byte
Defined in header <cstring>
const char* strchr( const char* str, int ch );
      char* strchr(       char* str, int ch );

Finds the first occurrence of the character ch in the byte string pointed to by str.

The terminating null character is considered to be a part of the string.

Contents

[edit] Parameters

str - pointer to the null-terminated byte string to be analyzed
ch - character to search for

[edit] Return value

Pointer to the found character in str, or NULL if no such character is found.


[edit] Example

#include <iostream>
#include <cstring>
 
int main()
{
  const char *str = "Try not. Do, or do not. There is no try.";
  char target = 'T';
  const char *result = str;
 
  while ((result = std::strchr(result, target)) != NULL) {
    std::cout << "Found '" << target
              << "' starting at '" << result << "'\n";
 
    // Increment result, otherwise we'll find target at the same location
    ++result;
  }
}

Output:

Found 'T' starting at 'Try not. Do, or do not. There is no try.'
Found 'T' starting at 'There is no try.'

[edit] See also

find characters in the string
(public member function of std::basic_string) [edit]
finds the first occurrence of a wide character in a wide string
(function) [edit]
finds the last occurrence of a character
(function) [edit]
finds the first location of any character in one string, in another string
(function) [edit]
C documentation for strchr