Java 正则表达式搜索程序模板

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import java.util.regex.Matcher;

/** 

 来自 N  o w  J a v a . c o m**/

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import java.util.regex.Pattern;

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public class Main {

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  public static void main(String[] args) {

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    // Compile regular expression

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    String patternStr = "b";

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    Pattern pattern = Pattern.compile(patternStr);

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    // Determine if pattern exists in input

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    CharSequence inputStr = "a b c b";

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    Matcher matcher = pattern.matcher(inputStr);

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    boolean matchFound = matcher.find(); 

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    System.out.println(matchFound);

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    /**

     * nowjava.com - 时代Java 提 供 

    **/

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    // Get matching string

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    String match = matcher.group(); // b

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    System.out.println(match);

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    // Get indices of matching string

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    int start = matcher.start(); // 2

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    System.out.println(start);

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    int end = matcher.end(); // 3

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    System.out.println(end);

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