Startswith (), endswith (), usage, judge whether string a starts or ends with string B

Java code

1. If (A. startswith (B ))
2. // Judge whether string a starts with string B.

Java code

1. If (A. endswith (B ))
2. // Judge whether string a ends with string B.

 

A demo

From: http://hi.baidu.com/fsgs/blog/item/304a3687178f612cc75cc3fb.html

Author:Sdgqlyxq

 

Java code

1. Public class stringdemo {
3. Public static void main (string ARGs []) {
4. String S1 = "this is my startswith string ";
5. String SD = "startswith ";
6. If (s1.startswith (SD ))
7. // Startswith () method to determine whether string S1 starts from string SD
8. S1 = s1.substring (SD. Length ());
9. Else
10. If (s1.endswith (SD ))
11. // Use the endwith () method to determine whether string S1 ends with string SD.
12. S1 = s1.substring (0, s1.length ()-SD. Length ());
13. Else
14. {
15. Int Index = s1.indexof (SD );
16. // Indexof () indicates the first occurrence of a character or substring. The index here is equal to 11.
17. If (index! =-1)
18. {
19. String S2 = s1.substring (0, index );
20. // Starts from the first character of string S1 and takes the index character
21. String S3 = s1.substring (index + SD. Length ());
22. // Obtain the string following the 19th characters of string S1
23. S1 = S2 + S3;
24. }
25. Else
26. System. Out. println ("string \" "+ SD +" \ "not found ");
27. }
28. System. Out. println (S1 );
29. }
30. }

From: http://heisetoufa.iteye.com/blog/230328