Challenge::Expression Validity

Question

Write a program that takes an expression containing brackets as input and outputs whether the expression is valid or not
Example:

input:(){}[]
output:Valid
input:{[()]}
output:Valid
input:{([)]}
output:Invalid
input:}{}]
output:Invalid
Happy coding!
Any language is welcomed..😃😃😃

Answer 1

My try without Stack
https://code.sololearn.com/cQBtjRN3yfMB/?ref=app

Answer 2

https://code.sololearn.com/cU0SEGA7PQ7A/#cpp

Answer 3

Here's my solution.

https://code.sololearn.com/czVKD72HCybD/?ref=app

Answer 4

My try :
https://code.sololearn.com/cKB9qG2oSNCC/?ref=app

Answer 5

Easier with regexp + replace.
https://code.sololearn.com/W8WcMPIvwjrG/#js

Answer 6

Now with one liner version
https://code.sololearn.com/cJL6EMVHe0jB/?ref=app

Answer 7

Here's mine

https://code.sololearn.com/W94Z6iTfY7zz/?ref=app

Answer 8

even shorter than shorter
https://code.sololearn.com/cJL6EMVHe0jB/?ref=app

Answer 9

its a brace validator..with possible mentions of where the string you had given went wrong...try it with worst inputs...

https://code.sololearn.com/c1yCwEP85HQ2/?ref=app

Answer 10

Here's:
#one liner now
https://code.sololearn.com/cyQrxKeuMf95/?ref=app

Answer 11

@luis great idea but does not work for ([)]

Answer 12

ya....luis...theres more with validation...count cant handle it...
both count are equal - is just an element of set with all "to be checked" criterias....

Answer 13

Ok I'll fix it
Now it's fixed

Answer 14

Mine, nice challenge!
https://code.sololearn.com/c27X64Di2RYz/?ref=app

Answer 15

@md who s winning this challenge ?