Example usage for java.util.regex Pattern compile

Introduction

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

Prototype

public static Pattern compile(String regex)

Source Link

Document

Compiles the given regular expression into a pattern.

Usage

From source file:Main.java

private static boolean isNumeric(String str) {
    Pattern pattern = Pattern.compile("[0-9]*");
    Matcher isNum = pattern.matcher(str);
    return isNum.matches();
}

From source file:Main.java

public static boolean checkChinese(String username) {
    String pstr = "[^x00-xff]";
    Pattern p = Pattern.compile(pstr);
    Matcher m = p.matcher(username);
    return m.find();
}

From source file:Main.java

public static boolean isValidTagAndAlias(String s) {
    Pattern p = Pattern.compile("^[\u4E00-\u9FA50-9a-zA-Z_-]{0,}$");
    Matcher m = p.matcher(s);//from w  w  w.  j a  v a  2 s.c  om
    return m.matches();
}

From source file:Main.java

public static boolean isNumeric(String str) {
    String regEx = "^-?[0-9]+$";
    Pattern pat = Pattern.compile(regEx);
    Matcher mat = pat.matcher(str);
    if (mat.find()) {
        return true;
    } else {//from w ww .java 2  s . c o  m
        return false;
    }
}

From source file:Main.java

public static boolean isNumeric(String str) {
    Pattern pattern = Pattern.compile("^[0-9]+(.[0-9]*)?$");
    Matcher isNum = pattern.matcher(str);
    return isNum.matches();
}

From source file:Main.java

public static boolean existZH(String str) {
    String regEx = "[\\u4e00-\\u9fa5]";
    Pattern p = Pattern.compile(regEx);
    Matcher m = p.matcher(str);//from   w  w w  . j a  v  a2s.  c  o m
    while (m.find()) {
        return true;
    }
    return false;
}

From source file:Main.java

public static String getWithinTags(String matchString, String tag) {

    final Pattern pattern = Pattern.compile("<" + tag + ">(.+?)</" + tag + ">");
    final Matcher matcher = pattern.matcher(matchString);
    try {/*  w  w w .ja  v a  2 s .c o m*/
        matcher.find();
        return matcher.group(1);
    } catch (Exception e) {
        System.out.println("An exception has occured within tags: " + e.toString());
        return "";
    }
}

From source file:PatternMethodExample.java

public static void reusePatternMethodExample() {
    Pattern p = Pattern.compile("\\d");
    Matcher matcher = p.matcher("5");
    boolean isOk = matcher.matches();
    System.out.println("original pattern matches " + isOk);

    String tmp = p.pattern();//from   w ww  .  j  av  a2 s  .  co m
    Pattern p2 = Pattern.compile(tmp);
    matcher = p.matcher("5");
    isOk = matcher.matches();
    System.out.println("second pattern matches " + isOk);
}

From source file:Main.java

public static boolean isIdOk(String Idstr) {
    //account/*from   w  w w.j  av a2 s.  c  o m*/
    String regex = "[\u4e00-\u9fa5_a-zA-Z0-9_]{2,30}";
    Pattern pattern = Pattern.compile(regex);
    return pattern.matcher(Idstr).matches();
}

From source file:Main.java

public static boolean isMatches(String text) {
    String strPattern = "^[_a-zA-Z0-9]+$";
    Pattern p = Pattern.compile(strPattern);
    Matcher m = p.matcher(text);//from  w  ww.  j a  va  2 s.  c o m
    return m.matches();
}