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POHow to sort a list of values according to numeric, alpha numeric, aplhabetic and strings with special characters which occur in the same position
 

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  1. POHow to sort a list of values according to numeric, alpha numeric, aplhabetic and strings with special characters which occur in the same position
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    <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/104599/sort-on-a-string-that-may-contain-a-number">Sort on a string that may contain a number</a><br> <a href="https://stackoverflow.com/questions/7567646/how-to-sort-a-collection-which-has-strings-integers-and-alphanumerics-in-java">how to sort a collection which has strings, integers and alphanumerics in java</a> </p> </blockquote> <p>I have some values like</p> <p><code>AB, 1, 01, 10, 9, 100, 1AB2, aa, 1.23, -0.11, 0.11, #1.21, #0.11, #9.1, A-101, A-202, A-303, A-100, A-001, A-2, A-1, 3.@1, 3.@10, 3.@100, 3.@2, 0.01%, 3.12%, -0.1%, $12, $1.23</code> </p> <p>and so on. So, I mean to say that I have some collection of values which include alpha, alphanumeric, numeric and some strings which have some special characters in the<code>(#,$,%,-)</code>.</p> <p>Now, when i try to sort them using collections.sort() function, it is doing string sorting and the numbers are not getting sorted in order(output coming as <code>01,1,10,100,9</code> whereas i require <code>01,1,9,10,100</code>). I got the answer for this numeric sorting. But, I require all the strings which have special characters in them <code>(#,$,%,-)</code> to be together after the sort(the position at which the special character occurs in the string will always be the same like #1.21, #0.11, etc explains the same).</p> <p>I am facing a problem with this occurrence pattern since its working fine with '#' symbol(which occurs at the start of string) but strings which have '%' at the end of the string are not grouping together. I really dont care where these strings occur in the sorted list(they can come at the start or end or in the middle but all strings with a particular special character should be grouped together). I think we should use regular expressions for doing this. Can anyone explain me how to achieve this with the help of some code?? </p>
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    1. PTQuestion
    1. USCommunity
    1. USSurya Chandra
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    1. COIs this homework? If so, please add the tag 'homework'.
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      1. POHow to sort a list of values according to numeric, alpha numeric, aplhabetic and strings with special characters which occur in the same position
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    2. COHow is this different from your previous question [how to sort a collection which has strings, integers and alphanumerics in java](http://stackoverflow.com/questions/7567646/how-to-sort-a-collection-which-has-strings-integers-and-alphanumerics-in-java)?
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      1. POHow to sort a list of values according to numeric, alpha numeric, aplhabetic and strings with special characters which occur in the same position
      1. USMiserable Variable
    3. COit is different infact... this time, I want all the strings with a particular special character(say %) together. if I follow the previous approach, the values -0.1%, 0.01%, and 3.12% will not occur together(since % symbol is occuring at the last of the string) whereas all strings which have '#' at first are occuring together
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      1. POHow to sort a list of values according to numeric, alpha numeric, aplhabetic and strings with special characters which occur in the same position
      1. USSurya Chandra
 

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