正则表达式验证

常见正则表达式

^\w+([-+.]?\w+)*@\w+([-.]?\w+)*\.\w+([-.]?\w+)*$
^(https?:\/\/)?([\da-z.-]+)\.([a-z.]{2,6})([\/\w .-]*)*\/?$
^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$
^(\+?\d{1,3}[- ]?)?\d{10}$
^\d{5}(-\d{4})?$
^\d{15}|\d{18}$
^\d{4}-\d{2}-\d{2}$
^([01]\d|2[0-3]):[0-5]\d:[0-5]\d$
^([01]?[0-9]|2[0-3]):[0-5][0-9]$
^(1[0-2]|0?[1-9]):[0-5][0-9]([APap][Mm])$
^-?\d+$
^-?\d+(\.\d+)?$
^\d*\.?\d+$
^(\+?\d{1,3})?[-. ]?\(?\d{1,4}\)?[-. ]?\d{1,4}[-. ]?\d{1,9}$
^\d+$
^-\d+|0$
^[1-9]\d*$
^-[1-9]\d*$
^(https?|ftp):\/\/[^\s/$.?#].[^\s]*$
^[a-z0-9]+(?:-[a-z0-9]+)*$
^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$
^([0-9a-fA-F]{1,4}:){7}([0-9a-fA-F]{1,4}|:)$
^\d{5}(?:[-\s]\d{4})?$
^4[0-9]{12}(?:[0-9]{3})?$
^5[1-5][0-9]{14}$
^[a-zA-Z0-9_]{3,16}$
^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$
^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
^\d{3}-\d{2}-\d{4}$
^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$
^<([a-z]+)([^<]+)*(?:>(.*)<\/\1>|\s+\/>)$
^[01]+$
^\$?\d+(,\d{3})*(\.\d{2})?$
^.*\.(jpg|jpeg|png|gif|bmp|webp)$
&[a-zA-Z]+;
^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$
^[a-zA-Z][a-zA-Z0-9_-]{3,15}$
^(?=[MDCLXVI])(M{0,3})(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})$
^\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|[+-][0-2]\d:[0-5]\d)$
^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$
^[1-9]\d*$
^[A-Za-z0-9]{8,12}$
^[a-z]+([A-Z][a-z]+)*$
^[a-z]+(-[a-z]+)*$
^\d+(px|em|rem|%)$