StringUtils the methods involved in the Help class

/*1. String starts with prefix */
Stringutils.startswith ("Sssdf", "");//The result is: true
Stringutils.startswith ("Sssdf", "");//The result is: true
Stringutils.startswith ("Sssdf", "s");//The result is: true
Stringutils.startswith ("Sssdf", "SS");//The result is: true
Stringutils.startswith ("Sssdf", "SSS");//The result is: true
Stringutils.startswith ("Sssdf", "SSSDF");//The result is: true
Stringutils.startswith ("Sssdf", "f");//The result is: false
Stringutils.startswith ("Sssdf", "SSSDF");//The result is: true

/*2. String starting with prefix, case-insensitive */
Stringutils.startswithignorecase ("Sssdf", "SSSDF");//The result is: true

/*3. String starts with the string in the array */
Stringutils.startswithany ("Aabcde", newstring[]{"G", "F"});//The result is: false
Stringutils.startswithany ("Aabcde", newstring[]{"G", "a"});//The result is: true

/*4. String ends with suffix */
Stringutils.endswith ("Aabcde", "D");//The result is: false
Stringutils.endswith ("Aabcde", "E");//The result is: false
Stringutils.endswithignorecase ("", "");//The result is: false

/*5. Replace string: Replace the searchstring in text with Replacement,max is the maximum number of replacements, the default is to replace all */
Stringutils.replaceonce ("Sshhhss", "SS", "P");//Replace only one time-the result is: PHHHSS
Stringutils.replace ("SSHHHS", "SS", "P");//Replace All---> results are: PHHHS
Stringutils.replace ("Sshhhsshss", "ss", "7777", 2);//max: Maximum number of replacements-and results: 7777HHH7777HSS
Stringutils.replacechars ("SSHHHS", "SS", "P");//Replace all characters, as opposed to replace---> results are: pphhhp instead of PPHHHS

/*6. Replace by array, position to match, array length equal; not found the difference between the Replaceeach and replaceeachrepeatedly below.
Stringutils.replaceeach ("www.baidu.com", newstring[]{"Baidu", "com"},newstring[]{"taobao", "NET"});// The result is: www.taobao.net
Stringutils.replaceeach ("www.baidu,baidu.com", newstring[]{"Baidu", "com"},newstring[]{"taobao", "NET"});// The result is: www.taobao,taobao.net
stringutils.replaceeachrepeatedly ("www.baidu.com", newstring[]{"Baidu", "com"},newstring[]{"taobao", "NET"});// The result is: www.taobao.net

/*7. Compare two strings for equality, or equal if two are both NULL */
Stringutils.equals ("", "");//The result is true
Stringutils.equals (null,null);//result is true
Stringutils.equals ("", null);//result is False
Stringutils.equals (NULL, "");//result is False
Stringutils.equalsignorecase ("ss", "SS");//Case-insensitive--the result is true

/*8. Returns the position of the first occurrence of the SearchChar in the string, or returns if SearchChar does not appear in the string -1*/
Stringutils.indexof ("SDFSFSFDSF", "4");/* The result is -1*/
Stringutils.indexof ("SDFSFSFDSF", "f");/* The result is 2*/

Finds the last index in a string that appears in SearchChar */
Stringutils.lastindexof ("Afkyk", "K");//The result is 4
Stringutils.lastindexof ("Afkyk", "");//The result is 1

/*9. Find out where the character array Searchars first appears in the string */
Stringutils.indexofany ("Sdsfhhl0", "f");//The result is 3
Stringutils.indexofany ("Sdsfhhl0", newstring[]{"F", "0"});//result is 3
Stringutils.indexofany ("Sdsfhhl0", newstring[]{"T", "J"});//result is-1
Stringutils.indexofany ("Sdsfhhl0", newstring[]{"T", "J", ""});//result is 3
Stringutils.lastindexofany ("Afkyk", newstring[]{"Afkyk", "K"});//Find out where the character array Searchars last appeared in the string-the result is 5

/*10. Find out where the first character in a string is not in the character array Searchars (starting at 0 bits)
* If all in, return-1
**/
Stringutils.indexofanybut ("Sdsfhhl0", "H");//The result is 0
Stringutils.indexofanybut ("Sdsfhhl0", "s");//result is 1
Stringutils.indexofanybut ("AA", "AA");//The result is-1

/*11. Statistics parameter 1 and parameter 2 the number of characters in the beginning of the first part */
Stringutils.indexofdifference ("SDSFDSF", "s");//result is 1
Stringutils.indexofdifference (newstring[]{"SDSFDSF", "s"});//result is 1

/*12. Remove the string that is common to parameter 2 at the beginning of parameter 1 */
Stringutils.difference ("Irrigation and irrigation", "irrigation and irrigation, ah ah");//The result is: Ah Ah

/*13. Lookup, case insensitive, no return -1*/found
Stringutils.indexofignorecase ("AFABBSSDD", "f");//return 1
Stringutils.indexofignorecase ("AFABBSSDD", "F", 2);//find from the specified position, case-insensitive--return-1
Stringutils.indexofignorecase ("AFABBSSDD", "F", 1);//return 1
Stringutils.lastindexofignorecase ("," "");
Stringutils.lastindexofignorecase ("", "", 2);

/*14. Intercepting a string at a specified location */
Stringutils.substring ("Dskabcee", 3);
/* The result is: abcee*/

Stringutils.substring ("Dskabcee", 3,5);
/* The result is: ab*/

/*15. Intercepting the contents of a specified String */
Stringutils.substringbefore ("Dskeabcee", "E");
/* The result is: dskeabce*/

Stringutils.substringbeforelast ("Dskeabcee", "E");//Always find the last specified string
/* The result is: dskeabce*/

Stringutils.substringafter ("Dskeabcedeh", "" ");
/* The result is: dskeabcedeh*/

Stringutils.substringafterlast ("Dskeabcedeh", "" ");
/* The result is: */

/*16. Intercept the characters in the middle of parameter 2 and parameter 3 */
Stringutils.substringbetween ("Dskeabcedeh", "DS");
/* The result is: null*/
Stringutils.substringbetween ("Dskeabcedeh", "DS", "E");
/* The result is: k*/
Stringutils.substringsbetween ("Dskeabcedeh", "DS", "E");//Returns the string in the middle of parameter 2 and parameter 3 as an array
/* The result is: [keabce]*/

/*1. Split string, can be set to get the length of the array, but generally do not set, this will conflict * *
Stringutils.split ("y5y,4454,545");//The default is by pressing, to split
Stringutils.split ("Aaaa#sss", "#");
/* The result is: [aaaa,sss]*/

Stringutils.split ("aaaa#sss#", "#", 2);

/*2. Splitting a string by a different type */
Stringutils.splitbycharactertype ("aa3444 Zhang San Bcss");
/* The result is: [aa,3444, Zhang San, a,b,css,b]*/

Stringutils.splitbycharactertypecamelcase ("");
/* The result is: [aa,3444, Zhang San, a,bcss,b]*/

/*3. Split string, "" will not be ignored, you can set the array length of the split string */
Stringutils.splitbywholeseparator ("aaaa#sss#", "#");//"" will not be ignored
/* The result is: [aaaa,sss,]stringutils.split result is: [aaaa,sss]*/

Stringutils.splitbywholeseparator ("Aaaa#sss#ggg", "#");//
/* The result is: [aaaa,sss,ggg]*/

Stringutils.splitbywholeseparator ("Aaaa#sss#ggg", "");//Split by Space
/* The result is: [aaaa#,sss#ggg]*/

Stringutils.splitbywholeseparator ("aaaa#sss#", "#", 2);//2 sets the maximum length of the returned array
/* The result is: [aaaa,sss#]*/

/*4. Split string, "" will not be ignored, you can set the array length of the split string */
Stringutils.splitbywholeseparatorpreservealltokens ("Sddssfsfasfsaf", null);
/* The result is: [sddssf,sfasfsaf,]*/

Stringutils.splitbywholeseparatorpreservealltokens ("Sddssfsfasfsaf", "" ");
/* The result is: [sddssf,sfasfsaf,]*/

/*5. Ditto */
Stringutils.splitpreservealltokens ("");
Stringutils.splitpreservealltokens ("," "");
Stringutils.splitpreservealltokens ("", "", 3);

StringUtils the methods involved in the Help class