- //判断整数(int)
- private boolean isInteger(String str) {
- if (null == str || "".equals(str)) {
- return false;
- }
- Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");
- return pattern.matcher(str).matches();
- }
- //判断浮点数(double和float)
- private boolean isDouble(String str) {
- if (null == str || "".equals(str)) {
- return false;
- }
- Pattern pattern = Pattern.compile("^[-\\+]?[.\\d]*$");
- return pattern.matcher(str).matches();
- }
Java判断字符串是否是整数或者浮点数
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转载自blog.csdn.net/qq_37279279/article/details/80590834
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