Example usage for java.util.regex Matcher find

Introduction

In this page you can find the example usage for java.util.regex Matcher find.

Prototype

public boolean find()

Source Link

Document

Attempts to find the next subsequence of the input sequence that matches the pattern.

Usage

From source file:Main.java

public static String getActionOfExpression(String expression) {
    // pattern for actions
    Pattern actionPattern = Pattern
            .compile("^([\\w\\W&&[^/\\[\\]]]+)?(\\[[\\w\\W&&[^\\[\\]]]+\\])?(/[\\w\\W]+)$");
    Matcher actionMatcher = actionPattern.matcher(expression);
    if (actionMatcher.find() && (actionMatcher.group().length() == expression.length())) {
        String action = expression.substring(expression.lastIndexOf("/") + 1);
        return action;
    }//from www .ja v  a 2s.c o m
    return null;
}

From source file:Main.java

public static Integer parseInt(String value) {
    if (value == null) {
        return 0;
    }/* w w  w .  j a v a 2 s.c  o m*/
    Integer val = 0;
    try {
        Matcher matcher = pattern.matcher(value);
        if (matcher.find()) {
            String num = matcher.group(0);
            val = Integer.parseInt(num);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return val;
}

From source file:Main.java

public static String getContentMathML(String latexMLResponse) {
    String CML_REGEX = "<annotation-xml.*MWS-Query\">(.*)<.annotation-xml>";
    Pattern pattern = Pattern.compile(CML_REGEX, Pattern.DOTALL);

    try {//ww w.  j  a v a  2  s  .c  om
        JSONObject latexMLJSON = new JSONObject(latexMLResponse);
        String math = latexMLJSON.getString("result");

        Matcher matcher = pattern.matcher(math);
        if (matcher.find()) {
            return matcher.group(1);
        }
    } catch (JSONException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Extracts ID from the video url/*from   w ww. j  a va2 s . c om*/
 * @param youtubeUrl the video url
 * @return the ID of the video
 */
public static String extractYouTubeVideoId(String youtubeUrl) {
    String pattern = "(?<=youtu.be/|watch\\?v=|/videos/|embed\\/)[^#\\&\\?]*";
    Pattern compiledPattern = Pattern.compile(pattern);
    Matcher matcher = compiledPattern.matcher(youtubeUrl);
    if (matcher.find()) {
        return matcher.group();
    } else {
        return "H7B1NhceHEg";
    }
}

From source file:Main.java

public static CharSequence scaleEmotions(String text) {
    SpannableString spannableString = new SpannableString(text);
    for (String emotion : emotions) {
        Pattern pattern = Pattern.compile(emotion);
        Matcher matcher = pattern.matcher(text);
        while (matcher.find()) {
            int start = matcher.start();
            int end = matcher.end();
            spannableString.setSpan(new RelativeSizeSpan(1.2f), start, end, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
        }//from  w  w w  .  j a  va  2s  . co  m
    }
    return spannableString;
}

From source file:Main.java

private static String getFileNameByUrl(String url) {
    // TODO Auto-generated method stub
    Pattern p = Pattern.compile("\\w+");
    Matcher m = p.matcher(url);
    String filename = "";
    while (m.find()) {
        String str = m.group();//from   ww  w.j av a 2  s  .co m
        filename = str;
    }
    return filename;
}

From source file:MatchDuplicateWords.java

public static boolean hasDuplicate(String phrase) {
    boolean retval = false;
    String duplicatePattern = "\\b(\\w+) \\1\\b";
    Pattern p = null;//  ww  w .j  a  va 2  s. co m
    try {
        p = Pattern.compile(duplicatePattern);
    } catch (PatternSyntaxException pex) {
        pex.printStackTrace();
        System.exit(0);
    }
    int matches = 0;
    Matcher m = p.matcher(phrase);
    String val = null;

    while (m.find()) {
        retval = true;
        val = ":" + m.group() + ":";
        System.out.println(val);
        matches++;
    }

    String msg = "   NO MATCH: pattern:" + phrase + "\r\n             regex: " + duplicatePattern;

    if (retval) {
        msg = " MATCH     : pattern:" + phrase + "\r\n         regex: " + duplicatePattern;
    }

    System.out.println(msg + "\r\n");
    return retval;
}

From source file:Main.java

public static String getFirstMatch(String html, String pattern) {
    Pattern p = Pattern.compile(pattern);
    Matcher m = p.matcher(html);

    String result = "";
    while (m.find()) {
        result = m.group(1);/* w w w .j  a v  a  2 s . co  m*/
        break;
    }
    return result;
}

From source file:Main.java

public static String regexText(String source, String regex, int group) {
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher(source);
    boolean b = matcher.find();
    if (b) {//from w  w  w  .j a  v a2s .  co  m
        return matcher.group(group);
    }
    return null;
}

From source file:Main.java

public static String searchAndReturn(String source, String regex) {
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher(source);
    boolean b = matcher.find();
    if (b) {//from  w w w . j  a  va  2  s.  co m
        return source.substring(matcher.start(), matcher.end());
    }
    return null;
}