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Regex für fehlerhafte eingaben

main
Dr.Janson 2024-01-07 10:36:27 +01:00
parent baa6d8a092
commit f10415dec8
1 changed files with 18 additions and 16 deletions
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34
Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
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@ -18,6 +18,7 @@ public class Axel {
spr.put("A3", "123"); spr.put("A3", "123");
spr.put("B9", "=41+A2+10-2/3"); spr.put("B9", "=41+A2+10-2/3");
spr.put("B9", "2");
System.out.println("Schreibe 'stop' zum anhalten."); System.out.println("Schreibe 'stop' zum anhalten.");
do{ do{
@ -28,26 +29,27 @@ public class Axel {
System.out.println(spr); System.out.println(spr);
System.out.println("Befehl (z.B. D4_=7*6): "); System.out.println("Befehl (z.B. D4_=7*6): ");
command = input.nextLine(); command = input.nextLine();
if(command.contentEquals("stop")) if(command.matches("[A-Za-z][1-9][0-9]?_=((([A-Za-z][1-9][0-9]?)|([0-9]+))(\\*|\\+|\\-|\\/))*(([A-Za-z][1-9][0-9]?)|([0-9]+))")) {
break; for(int i = 0; i<command.length();i++) {
for(int i = 0; i<command.length();i++) { if(command.charAt(i)=='_') {
if(command.charAt(i)=='_') { cellTRUE = false;
cellTRUE = false; continue;
continue; }
if(cellTRUE) {
cell+=command.charAt(i);
}else {
form+=command.charAt(i);
}
} }
if(cellTRUE) { spr.put(cell, form);
cell+=command.charAt(i); }else if(command.matches("stop")){
}else { break;
form+=command.charAt(i); }else {
} System.out.println("Die Eingabe war nicht korrekt. Die Tabelle bleibt auf folgendem stand:");
} }
spr.put(cell, form);
}while(true); }while(true);
spr.saveCsv("tmp/test.csv"); spr.saveCsv("tmp/test.csv");
// TODO: You might want to put "UI loop" for entering value and formulas here resp. in some UI methods.
} }
} }