You're right i should not be looking for a token ending at < .
And yes i want to get what is inside of "" and > <.
a cleaner code, where i manage to find r :
void printData(char* data, int len) {
/*while (len-- > 0) {
Serial.println(data);
}*/
char * spanstring = "span";
resultat = strstr(data, spanstring); // find the string "span" within data
if (resultat != NULL){ // if there is a result (resultat)
Serial.println();
Serial.print("resultat: [");
Serial.print(resultat);
Serial.println("]");
char * tokenstringone = "\""; // get the token ending at " (resultattwo should be: [span id=])
resultattwo = strtok(resultat, tokenstringone);
Serial.print("resultattwo: [");
Serial.print(resultattwo);
Serial.println("]");
resultatthree = strtok(NULL, tokenstringone); // get the next token ending at " (resultatthree should be: [r])
Serial.print("resultatthree: [");
Serial.print(resultatthree) ;
Serial.println("]");
}
else if (resultat == NULL){
Serial.println("no span found");
}
}
result:
resultat: [span id="r">145
100
54
</b]
resultattwo: [span id=]
resultatthree: [r]
resultat: [span id=]
resultattwo: [span id=]
resultatthree: [É]
resultat: [span id=]
resultattwo: [span id=]
resultatthree: [É]
I dont understand why resultat changes though