Heaving this rule config: ``` FunctionNaming: ...

# detekt

[igor.wojda]

Heaving this rule config:

FunctionNaming:
    active: true
    excludes: [ '**/test/**', '**/integrationTest/**', '**/konsistTest/**', '**/apiTest/**', '**/snippet/**' ]
    functionPattern: '[a-z][a-zA-Z0-9]*'

How should I define functionPattern option to allow ' in function names?