javascript 정규식 모음

var regNum =/^[0-9]/;
var regPhone =/^[0-9]{2,3}-[0-9]{3,4}-[0-9]{4}/;
var regMail =/^[_a-zA-Z0-9-]+@[._a-zA-Z0-9-]+.[a-zA-Z]/;
var regDomain =/^[.a-zA-Z0-9-]+.[a-zA-Z]/;
var regAlpha =/^[a-zA-Z]/;
var regHost =/^[a-zA-Z-]/;
var regHangul =/[가-힣]/;
var regHangulEng =/[가-힣a-zA-Z]/;
var regHangulOnly =/^[가-힣]/;
var regId = /^[a-zA-Z]{1}[a-zA-Z0-9_-]{4,15}/;