Common Regular Expressions

1://Enter only Chinese, letters, numbers

function unCharacter(v) {
    return v.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')
}
1://禁止特殊字符
function unSpecial(v) {
    return v.replace(/[^u4e00-u9fa5w]/g,'')
}