PLEASE HELP! I have this String i recieve over wifi (esp8266)


I want to split this up so i end up with 3 (int)Values
This is what i tried, but doesn’t work.

String val = webServer.arg(i); // [1023:1023:1023]
String trash = val.readStringUntil(‘[‘);
scanResultsRed[i]= (val.readStringUntil(‘:’).toInt;
scanResultsGreen[i]= (val.readStringUntil(‘:’).toInt;
scanResultsBlue[i]= (val.readStringUntil(‘]’).toInt;

With this code i get this error:

‘class String’ has no member named ‘readStringUntil’

Can someone help me out?

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