var re1 = /a*b/;
var re2 = /=a+/;
var re3 = /\//;
var re4 = /=/;
var re5 = /=*/;
var re6 = /a*b/g;
var re7 = /=a+/g;
var re8 = /\//g;
var re9 = /=/g;
var re10 = /=*/g;