/TypeScript/Haskell get specific elements of a String

Haskell get specific elements of a String

onlyParenthesis :: String -> String
onlyParenthesis [] = []
onlyParenthesis (x:xs)
                 | x /= '(' && x /= ')' && x /= '[' && x /= ']' && x /= '{' && x /= '}'= onlyParenthesis xs
                 | otherwise = x : onlyParenthesis xs

Similar codes

3 votes176 views4 answers
Angular images
TypeScript
1 vote171 views2 answers
Css inputs outofill color
TypeScript
0 vote192 views1 answer
Sort function in typescript
TypeScript
0 vote177 views1 answer
Disable button typescript
TypeScript
2 votes166 views1 answer
Convert local url to base64 in javascript
TypeScript
0 vote163 views1 answer
Copy the first two array elements to the last two array elements
TypeScript
0 vote166 views1 answer
Contacts for ubuntu 20.04
TypeScript
3 votes163 views1 answer
How to make s3 bucet objects publicj
TypeScript
2 votes190 views1 answer
Ion-datetime min date today
TypeScript
0 vote161 views1 answer
Typescript array to string
TypeScript