The <u>lower()</u> method returns a copy of the string with all the alphabetic letters converted to lower case.
<h3>What is meant by String functions?</h3>
Access expressions that alter text in a variety of ways can be made using string functions. For instance, you might wish to have a form just show a portion of a serial number. Alternatively, you might need to combine (concatenate) many strings, like a first and last name.
The majority of contemporary programming languages have built-in or library facilities for handling strings. Case conversion, comparison, concatenation, find, join, length, reverse, split, substring, and trim are typical examples. toupper(), tolower(), ToUpper(), ToLower(), and so on.
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