- 所有已实现的接口:
- Function
public class SubStringBefore
extends java.lang.Object
implements Function
Function: string substring-before(string, string)
The substring-before function returns the substring of the first argument string that precedes the
first occurrence of the second argument string in the first argument string, or the empty string
if the first argument string does not contain the second argument string.
For example, substring-before("1999/04/01","/") returns 1999.
- 从以下版本开始:
- 2018/3/26.
- 作者:
- github.com/zhegexiaohuozi seimimaster@gmail.com