var r = "*$^&^%&%$%^中文";
var reg =/^[^\d#\$\*\+@!%\^&-=]{1,}[\u4E00-\u9FA5\uf900-\ufa2d\w]{1,50}/;
alert(reg.test(r));
var reg =/^[^\d#\$\*\+@!%\^&-=]{1,}[\u4E00-\u9FA5\uf900-\ufa2d\w]{1,50}/;
alert(reg.test(r));