Returns a number that the beginning of a string can be converted to. Returns 0 if conversion is not possible.
Val(string)
Parameter |
Description |
---|---|
string |
A string |
<!--- This example shows Val ---> <html> <head> <title> Val Example </title> </head> <body bgcolor = silver> <H3>Val Example</H3> <cfif IsDefined("FORM.theTestValue")> <cfif Val(FORM.theTestValue) is not 0> <H3>The string <cfoutput>#DE(FORM.theTestValue)#</cfoutput> can be converted to a number: <cfoutput>#Val(FORM.theTestValue)#</cfoutput></H3> <cfelse> <H3>The beginning of the string <cfoutput>#DE(FORM.theTestValue)# </cfoutput> cannot be converted to a number</H3> </cfif> </cfif> <form action = "val.cfm" method = "POST"> <P>Enter a string, and discover if its beginning can be evaluated to a numeric value. <P><input type = "Text" name = "TheTestValue" value = "123Boy"> <input type = "Submit" value = "Is the beginning numeric?" name = ""> </FORM> </body> </html>