JavaScript only Number Regex

The javascript regex is used to validate the form on the web page. We can use the validation for the numbers in the string using the javascript function. Javascript regular expression works to match, search, test, and validate the string.

Syntax

The following syntax uses only the numbers of the string.

Examples

The following examples show the different types of input data with only number validation using javascript regex.

Example 1

The following example uses javascript content to check the string's only number. We can insert only numbers, not characters.

Output

The following image shows the only number values in the string using the javascript regex.

Example 2

The following example uses javascript content to check the string's only number. We can get the value using the match method to check regular expressions.

Output

The following image shows the only number values in the string using the javascript regex.

Example 3

The following example uses content in the javascript to check the only number in the string. We can get the value using the search method to check regular expressions.

Output

The following image shows the only number values in the string using the javascript regex.

Example4

The following example uses content in the javascript to check the only number in the string. We can get the value using the exec method to check regular expressions.

Output

The following image shows the only number values in the string using the javascript regex.

Example5

The following example uses the group of numbers to check only numbers in the string. The 6 to 9 numbers of the group are used in the regular expression and match the value.

Output

The following image shows the only number values in the string using the javascript regex.

Example6

The following example uses the group of numbers to check only numbers in the string. The 0 to 9 numbers use in the regular expression and match the value. The first regex uses between numbers, the second regex uses to end numbers, and the third regex uses to start the number.

Output

The following image shows the only number values in the string using the javascript regex.

Example7

The following example uses the group of numbers to check only numbers in the string. The zero to nine numbers use in the regular expression and match the value. The decimal and binary numbers can test using regex value with the match and test function.

Output

The following image shows the only number values in the string using the javascript regex.

Conclusion

The only number regex used to validate the number for input values in the html page. It is used in the form and other user interaction functions using javascript functions.