StringUtils

class StringUtils

Functions

equals

open fun equals(s1: CharSequence, s2: CharSequence): Boolean

Return whether string1 is equals to string2.

equalsIgnoreCase

open fun equalsIgnoreCase(s1: String, s2: String): Boolean

Return whether string1 is equals to string2, ignoring case considerations..

isEmpty

open fun isEmpty(s: CharSequence): Boolean

Return whether the string is null or 0-length.

isSpace

open fun isSpace(s: String): Boolean

Return whether the string is null or white space.

isTrimEmpty

open fun isTrimEmpty(s: String): Boolean

Return whether the string is null or whitespace.

length

open fun length(s: CharSequence): Int

Return the length of string.

lowerFirstLetter

open fun lowerFirstLetter(s: String): String

Set the first letter of string lower.

null2Length0

open fun null2Length0(s: String): String

Return {@code ""} if string equals null.

reverse

open fun reverse(s: String): String

Reverse the string.

toDBC

open fun toDBC(s: String): String

Convert string to DBC.

toSBC

open fun toSBC(s: String): String

Convert string to SBC.

upperFirstLetter

open fun upperFirstLetter(s: String): String

Set the first letter of string upper.