String: equals : string compare « string « C++ Tutorial






#include <iostream.h>
#include <string>
using std::string;

main(void)
{
   string s1 = "abcdefghijk", s2 = "1234567890", s3,s4,s5;

   s3=s1+s2;
   cout << s3 <<endl;

   s4=s3;
   if (s4==s3) 
      cout << " s4==s3 is true\n";

   return(0);
}
abcdefghijk1234567890
 s4==s3 is true








15.7.string compare
15.7.1.String: equals
15.7.2.string overloaded equality and relational operators
15.7.3.Compare string ignoring the case
15.7.4.Compare sub string: string4.compare( 0, string2.length(), string2 )
15.7.5.Use == > and < to compare strings
15.7.6.Use string.compare to compare two strings
15.7.7.Compare strings by index: string1.compare( 2, 5, string3, 0, 5)
15.7.8.Set with functor for string comparison
15.7.9.Case-Sensitive Substring Comparison: equivalent of strncmp()
15.7.10.Case-Sensitive Substring Comparison: generalization of strncmp()
15.7.11.Case-Sensitive String Comparisons
15.7.12.Use std::lexicographical_compare to compare two char arrays