The lowercased() method converts all uppercase characters in a string into lowercase characters.
Example
var message = "SWIFT IS FUN"
// convert message to lowercased
print(message.lowercased())
// Output: swift is fun
lowercased() Syntax
The syntax of lowercased() method is:
string.lowercased()
Here, string is an object of the String class.
lowercased() Parameters
lowercased() method doesn't take any parameters.
lowercased() Return Value
returns the given string in lowercase
Example 1: Swift lowercased()
var string = "this should be lowercase!"
print(string.lowercased())
// string with numbers
// all alphabets should be lowercase
var string2 = "tH!S SH0uLd B3 UpP3rCas3!"
print(string2.lowercased())
Output
this should be lowercase! th!s sh0uld b3 upp3rcas3!
Example 2: Compare Two Strings Using lowercased()
// first string
var str1 = "swift is awesome!"
// second string
var str2 = "SwIfT Is AwEsOmE!"
// compare two strings
if(str1.lowercased() == str2.lowercased()) {
print("The strings are same.")
}
else {
print("The strings are not same.")
}
Output
The strings are same.