Regular expression for validating phone number in javascript


21-Oct-2017 02:01

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Here is the code: 22934 Yes, you can have negative and decimal values in the range input see below for some examples: 22934 The textarea in HTML is where the user can type in his answers or responses to the queries in free text.

Unlike radio buttons, check boxes and drop downs, there are no fixed options, it is like the answer sheets we have during our exams. “I usually write the same things multiple times for the same question in different ways to ensure the length of my answer goes up, what if the user does the same in the textarea?

Validating this data can be a time consuming and tedious task.

There are only so many index Of methods and if else statements one can handle. Regular expressions describe a pattern of characters in a string.

However, HTML5 brought with it numerous new attributes and features that added the flavor that HTML missed for ages.

Not many would have expected something like the range element to make its entrance with HTML5, but once it did, hardly any have raised any concerns with its working.

The select2 j Query component gives the designer the power to customize the overall layout of the select box along with incorporating high utility options such as searching, dynamic loading, tagging, among others.

Select2 supports multiple selections in drop-down list.

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So in order to avoid the guesswork, you have to use one of the alternatives to display the current value. (it uses Javascript in the attribute though) 22934 A more reusable solution would be to create a jquery snippet that handles the change event for all range input elements.

A drop-down thus works as an alternative and in specific cases, a better option, as compared to radio buttons and checkboxes. Did we say an alternative to both radio buttons and checkboxes?

But, it should have been just the radio button, shouldn’t it?

This will make the select box look like a box rather than just the drop down.

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The user has to hold down the Ctrl key (in Windows) and Command key (on Mac) to select the choices.

A radio button does not allow more than one selections and a checkbox, on the other hand, allows one or more than one selections.



William Malone This article is an intro to regular expressions, often called regex or regexp. It includes a JavaScript email validation example.… continue reading »


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