CamelCaseToSpaceSeparated converts a camelCase string to a space-separated format.

Get the diff of two slices.

Get the diff of two slices.

FormatString formats a string with a specified length and alignment.

Get the intersection of two slices.

Get the intersection of two slices.

judge a string whether in the string list.

IsValidEmail checks if the input string is a valid email address.

LowerFirst lower the first letter of the input string.

UpperFirst upper the first letter of the input string.