Checks if an argument value contains a numerical value. When the argument value is a number, the function returns true. Otherwise, it returns false.
| Category: | Information and Conversion |
| Returned data type: | Integer |
| Note: | The returned value is a Boolean value. |
string x string y string z string error_message1 string error_message2 string error_message3 x ="5" y="Hello" z="01/01/10" if(isnumber(x) ) error_message1 = "String x is a number" else error_message1= "String x is not a number" if( isnumber(y) ) error_message2 =" String y value is a number" else error_message2 =" String y value is not a number" if( isnumber(z) ) error_message3 = "String z value is a number" else error_message3 = "String z value is not a number"