The
util.types.isRegExp() method of util module which is primarily designed to support the needs of Node.js own Internal APIs. It is used to check whether the passed
value is a regular expression.
Syntax:
util.types.isRegExp( value )
Parameters: This method accepts a single parameter
value which holds any value i.e instance of any module.
Return value: THis method returns a Boolean value i.e
true if the passed value is a regular expression otherwise returns
false.
Below examples illustrate the use of
util.types.isRegExp() method in Node.js:
Example 1:
Output:
false
true
Example 2:
Output:
false
true
true
false
true
Reference: https://nodejs.org/api/util.html#util_util_types_isregexp_value
