Python string method isnumeric() checks whether the string consists of only numeric characters. This method is present only on unicode objects.
Note − To define a string as Unicode, one simply prefixes a 'u' to the opening quotation mark of the assignment. Below is the example.
Following is the syntax for isnumeric() method −
str.isnumeric()
NA
This method returns true if all characters in the string are numeric, false otherwise.
The following example shows the usage of isnumeric() method.
#!/usr/bin/python str = u"this2009"; print str.isnumeric() str = u"23443434"; print str.isnumeric()
When we run above program, it produces following result −
False True