how to create regular expression which not allow semi colon, colon single quote and double quote

Question

i am trying to create a regular expression which is not allow semi colon, colon single quote and double quote

var address=/^[\u0022\u0027\u003A\u003B]{1,50}$/

address.test(value);

this my code

this code is run only when textbox contain only ; : ' "

if ;123 this code is not run

please help me

Answer 1

Add a circumflex (^) character after the opening bracket ([), to indicate negation (“any character but…”):

var address=/^[^\u0022\u0027\u003A\u003B]{1,50}$/

Without it, the expression tests that the value is a string containing only the characters that you actually wish to exclude.