StringUtils字符串操作处理

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org.apache.commons.lang.StringUtils字符串切割注意事项

 

String str="a|b|c|||"

 

 

StringUtils.split(str, separatorChar)

 

String[] arr = StringUtils.split(str, "\\|");
print arr length(arr) 3
0:a
1:b
2:c

 

 

 

StringUtils.splitByWholeSeparatorPreserveAllTokens(str, separator)

 

 

String[] arr = StringUtils.splitByWholeSeparatorPreserveAllTokens(str, "|");
print arr length(arr):5
0:a
1:b
2:c
3:
4:
5: