java regex letters code example
Example 1: Regrex for letter in java
String REGREX_LETTERS = "[a-zA-Z]+"
Example 2: java regex of eauations
/^([+\\-]?\\d+)\\s*([+\\-*\\/])\\s*([+\\-]?\\d+)$/
String REGREX_LETTERS = "[a-zA-Z]+"
/^([+\\-]?\\d+)\\s*([+\\-*\\/])\\s*([+\\-]?\\d+)$/