I have this function which works only for 10 digits.
function telValide( tel ) { var reg = new RegExp(\'^[0-9]{10}$\', \'i\'); return reg.test(tel); } <
'^0(6|7) [0-9]{8}$'
Or if you mean you want the numbers without a space:
'^0(6|7)[0-9]{8}$'
Check out some excellent regex tutorials here and here.