Functions which return a boolean value

Text Functions

• contains
• containsIgnoreCase
• endsWith
• endsWithIgnoreCase
• equalsIgnoreCase
• matches
• notContains
• startsWith
• startsWithIgnoreCase

List Functions

• contains

Map Functions

• containKey
• containValue

Logical Functions

• isBlank
• isEmpty
• isNull

Number Functions

• isEven
• isOdd

Type Check Functions

• isDate
• isFile
• isNumber
• isText