Hi,
I currently have a validation rule with a REGEX function that restricts special characters:
NOT(REGEX(  PoNumber  , "^[a-zA-Z0-9_]*$"))

The problem is the validation rule bypasses characters like £ ( ) and _ 
My main goal is to restrict ALL SPECIAL CHARACTERS. I'd appreciate any workaround in solving this.

Can anyone please help me to implement pagination using lightning component?