Efficient regex for Canadian postal code function

Question

var regex = /[A-Za-z]\\d[A-Za-z] ?\\d[A-Za-z]\\d/;
var match = regex.exec(value);
if (match){
    if ( (value.indexOf(\"-\") !== -1 || value.indexOf(\" \") !== -1 )          


        

Answer 1

User kind, postal code strict, most efficient format:

/^[ABCEGHJ-NPRSTVXY]\d[ABCEGHJ-NPRSTV-Z][ -]?\d[ABCEGHJ-NPRSTV-Z]\d$/i

Allows:

• h2t-1b8
• h2z 1b8
• H2Z1B8

Disallows:

• Z2T 1B8 (leading Z)
• H2T 1O3 (contains O)

Leading Z,W or to contain D, F, I, O, Q or U