The tolowercase/2 and lower/2 functions convert a string to all lowercase  characters.

Note

The lower/2 function has the same functionality as tolowercase/2 but exists only as a function.

The syntax for tolowercase/2 function is as follows:

tolowercase($ORGSTR,$NEWSTR})
$NEWSTR=tolowercase($ORGSTR)
$NEWSTR=lower($ORGSTR)

tolowercase/2 and lower/2 arguments

Use the tolowercase/2 function to convert the original string specified in the $ORGSTR argument to the same string in all lowercase characters returned in $NEWSTR. This function is locale sensitive.

tolowercase/2 example

$E.mc_host = tolowercase($E.mc_host);