Replace isLetter || isDigit with isLetterOrDigit

[Luro02]

What it does

Detects CtBinaryExpression<Boolean> that can be replaced by a call to Character.isLetterOrDigit().

The implementation is easy, visit all CtBinaryExpression and check that they match the below format.

Lint Name

CHAR_LETTER_OR_DIGIT

Category

api

Example

Character.isLetter(c) || Character.isDigit(c)

Could be written as:

Character.isLetterOrDigit(c)

---

!(Character.isLetter(c) || Character.isDigit(c))
// or
!Character.isLetter(c) && !Character.isDigit(c)

Could be written as:

!Character.isLetterOrDigit(c)