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cpp:strings [2017/05/08 06:00] gthanos [Μεταβολή του αλφαριθμητικού] |
cpp:strings [2017/05/08 07:06] gthanos [Σύγκριση, αναζήτηση, εξαγωγή υπο-αλφαριθμητικών] |
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| ==== Σύγκριση, | ==== Σύγκριση, | ||
| - | | <code cpp></ | + | | <code cpp>const char* c_str() const;</ |
| - | | <code cpp></ | + | | <code cpp>const char* data() const;</ |
| - | | <code cpp></ | + | | <code cpp>size_t copy (char* s, size_t len, size_t pos = 0) const;</ |
| - | | <code cpp></ | + | | <code cpp>size_t find (const string& str, size_t pos = 0) const; |
| - | | <code cpp></ | + | size_t find (const char* str, size_t pos = 0) const; |
| - | | <code cpp></ | + | size_t find (const char* str, size_t pos, size_t n) const; |
| - | | <code cpp></ | + | size_t find (char c, size_t pos = 0) const; |
| - | | <code cpp></code> | + | </ |
| - | | <code cpp></ | + | | <code cpp> |
| + | size_t rfind (const char* str, size_t pos = npos) const; | ||
| + | size_t rfind (const char* str, size_t pos, size_t n) const; | ||
| + | size_t rfind (char c, size_t pos = npos) const; | ||
| + | </ | ||
| + | | <code cpp>string substr (size_t pos = 0, size_t len = npos) const;</ | ||
| + | | <code cpp>int compare (const string& str) const; | ||
| + | int compare (size_t pos, size_t len, const string& str) const; | ||
| + | int compare (const char* str) const; | ||
| + | int compare (size_t pos, size_t len, const char* str) const;</ | ||
| + | <code cpp cstring.cpp> | ||
| + | #include < | ||
| + | #include < | ||
| + | #include < | ||
| + | using namespace std; | ||
| + | int main () { | ||
| + | string str (" | ||
| + | char * cstr = new char [str.length()+1]; | ||
| + | strcpy (cstr, str.c_str()); | ||
| + | |||
| + | char * p = strtok (cstr," | ||
| + | while (p!=0) { | ||
| + | cout << p << ' | ||
| + | p = strtok(NULL," | ||
| + | } | ||
| + | delete[] cstr; | ||
| + | } | ||
| + | </ | ||