JAVA
2022. 12. 6. 09:16
- Java , digit check from string
| assertThat(StringUtils.isNumeric("123")).isTrue(); assertThat(StringUtils.isNumeric("١٢٣")).isTrue(); assertThat(StringUtils.isNumeric("१२३")).isTrue(); assertThat(StringUtils.isNumeric(null)).isFalse(); assertThat(StringUtils.isNumeric("")).isFalse(); assertThat(StringUtils.isNumeric(" ")).isFalse(); assertThat(StringUtils.isNumeric("12 3")).isFalse(); assertThat(StringUtils.isNumeric("ab2c")).isFalse(); assertThat(StringUtils.isNumeric("12.3")).isFalse(); assertThat(StringUtils.isNumeric("-123")).isFalse(); |
https://www.baeldung.com/java-check-string-number
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