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How do I use regular expressions to decode text containing html escape code? How do I convert an ASCII value to a character?
Sep 05

How to check if a String is an integer using a regular expression?

java Add comments 
String s = "321";
boolean isNumber = s.matches("-?\\d+");

written by objects \\ tags: int, regexp, string


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Also see

  1. How to check if a Java String is an integer?
  2. How to convert a String to an Integer in Java?
  3. How do a check that a string contains a valid date?

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