Split string into individual words Java

Question

I would like to know how to split up a large string into a series of smaller strings or words  For example      I want to walk my dog    I want to have a string   I   another string  want   etc   How would I do this

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This regex will split word by space like space  tab  line break   String   str   s split    s

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Use split    String words     stringInstance split

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you can use Apache commons  StringUtils class      String   partsOfString   StringUtils split  I want to walk my dog  StringUtils SPACE

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As a more general solution  but ASCII only    to include any other separators between words  like commas and semicolons   I suggest   String s    I want to walk my dog  cat  and tarantula  maybe even my tortoise    String   words   s split    W       The regex means that the delimiters will be anything that is not a word   W   in groups of at least one      Because     is greedy  it will take for instance     and     together as one delimiter

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See my other answer if your phrase contains accentuated characters    String   listeMots   phrase split    P L

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You can use split      method of the String class and can get each word as code given below   String s    I want to walk my dog   String   strArray s split       for int i 0  i lt strArray length i           System out println strArray i

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A regex can also be used to split words     w can be used to match word characters   A-Za-z0-9     so that punctuation is removed from the results   String s    I want to walk my dog  and why not    Pattern pattern   Pattern compile    w     Matcher matcher   pattern matcher s   while  matcher find          System out println matcher group         Outputs   I want to walk my dog and why not   See Java API documentation for Pattern

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To include any separators between words  like everything except all lower case and upper case letters   we can do   String mystring    hi  there hi Leo   String   arr   mystring split    a-zA-Z      for int i   0  i  lt  arr length  i    1         System out println arr i        Here the regex means that the separators will be anything that is not a upper or lower case letter   a-zA-Z   in groups of at least one

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Use split   method  Eg   String s    I want to walk my dog   String   arr   s split            for   String ss   arr        System out println ss

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StringTokenizer separate   new StringTokenizer s   quot   quot    String word   separate nextToken    System out println word

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Yet another method  using StringTokenizer    String s    I want to walk my dog   StringTokenizer tokenizer   new StringTokenizer s    while tokenizer hasMoreTokens          System out println tokenizer nextToken

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String   str   s split    a-zA-Z

[java] Split string into individual words Java

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