As 'number' is not implemented by all browsers, you can check your value with this RegExp.

ready code

General

Database_Data_Type

As 'date' input doesn't have a [pattern] attribute, you can check its value with this RegExp. Does not check if the given day corresponds to its month. Ex : 1989-03-30 will be considered as correct

As 'datetime-local' input doesn't have a [pattern] attribute, you can check its value with this RegExp. Does not check if the given day corresponds to its month . Ex : 2019-02-30 will be considered as correct

As 'week' input doesn't have a [pattern] attribute, you can check its value with this RegExp. Does not check if the given year has 52 or 53 weeks.

As 'time' input doesn't have a [pattern] attribute, you can check its value with this RegExp. You must provide hours and minutes. Seconds and milliseconds are optional. To "activate" seconds on the input, give it the step="" attribute with a number reprensenting the incrementation in seconds....

Italian phone number reg

Some cases of ipv6 at string begin

x

simple, just adjust that: contains letters "l z n" (probably can be simplified but I dont know how) exlude anywhere "rtuasgc" dictionary taken from wordle JS file

Regex for yandex music track

提取src

Checks the registration number's validity

This regex allows you to access the last 4 charecters in a string and manipulate them however you want

Find two matching groups

java test string

CPR number is presented with or without a dash

Rejects first symbol if 0 and all other non number (doesn't includes .123 )