Answers for "how can you check if strings contain only digits?"

check have string have just numbers

String numbers = "6969696969";
boolean check_n = numbers.matches("[0-9]+"); // true

String notNumber = "0123meowGOGO88l";
boolean check_s = notNumber.matches("[0-9]+"); // false

Posted by: Guest on February-22-2022

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Answers for "how can you check if strings contain only digits?"

Code answers related to "how can you check if strings contain only digits?"

Code answers related to "C++"

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Answers for "how can you check if strings contain only digits?"

Code answers related to "how can you check if strings contain only digits?"

Code answers related to "C++"

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