41 lines
1.3 KiB
Java
41 lines
1.3 KiB
Java
// strings/Groups.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.util.regex.*;
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public class Groups {
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public static final String POEM =
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"Twas brillig, and the slithy toves\n" +
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"Did gyre and gimble in the wabe.\n" +
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"All mimsy were the borogoves,\n" +
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"And the mome raths outgrabe.\n\n" +
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"Beware the Jabberwock, my son,\n" +
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"The jaws that bite, the claws that catch.\n" +
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"Beware the Jubjub bird, and shun\n" +
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"The frumious Bandersnatch.";
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public static void main(String[] args) {
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Matcher m = Pattern.compile(
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"(?m)(\\S+)\\s+((\\S+)\\s+(\\S+))$")
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.matcher(POEM);
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while(m.find()) {
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for(int j = 0; j <= m.groupCount(); j++)
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System.out.print("[" + m.group(j) + "]");
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System.out.println();
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}
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}
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}
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/* Output:
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[the slithy toves][the][slithy toves][slithy][toves]
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[in the wabe.][in][the wabe.][the][wabe.]
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[were the borogoves,][were][the
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borogoves,][the][borogoves,]
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[mome raths outgrabe.][mome][raths
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outgrabe.][raths][outgrabe.]
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[Jabberwock, my son,][Jabberwock,][my son,][my][son,]
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[claws that catch.][claws][that catch.][that][catch.]
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[bird, and shun][bird,][and shun][and][shun]
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[The frumious Bandersnatch.][The][frumious
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Bandersnatch.][frumious][Bandersnatch.]
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*/
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