IsBlank checks if the string contains only whitespaces.

IsEmpty checks if the string is empty.

IsNotBlank checks if the string contains any non-whitespace characters.

IsNotEmpty checks if the string is not empty.

Length returns the number of runes in a given string.

NotBlankOrDefault returns the string if it is not blank, or returns the fallback.

NotEmptyOrDefault returns the string if it is not empty, or returns the fallback.

Shrink returns a string that replaces consecutive whitespace characters in s with the sep string.

TrimAfterFirst returns s without the part after the first instance of substr and that instance itself.

TrimAfterLast returns s without the part after the last instance of substr and that instance itself.

TrimBeforeFirst returns s without the part before the first instance of substr and that instance itself.

TrimBeforeLast returns s without the part before the last instance of substr and that instance itself.

Truncate returns first n runes of s.