Java: If a string contains a number

If all you need to know is whether the string has a number in it or not, the code below should serve your purpose.

String str = "Great1Holoday!";
boolean hasNumber = str.matches(".*\\d.*");

However, if you need to know which position in the string is a number, the following code should help.

int position = 0;
for (int i=0; i < str.length(); i++) {
      if (Character.isDigit(str.charAt(i))) {
            position = i;
            break;
      }
}

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