tolower
tolower — converts upper case letters to lower case.
tolower (string|number)
stringAny string.
numberAny number.
Strings with all letters converted to lower case. Numbers in integer form. Floating point numbers are truncated.
This function converts any upper case letters in a string to lower case. It will also convert numbers to their base 10 integer representation.
Gamma>tolower("Jack works for IBM.");"jack works for ibm."Gamma>tolower("UNICEF received $150.25.");"unicef received $150.25."Gamma>tolower(5.3);5Gamma>tolower(0b0110);6Gamma>