string regex in java code example
Example 1: java regex
import java.util.regex.*;
public class RegexExample1{
public static void main(String args[]){
Pattern p = Pattern.compile(".s");
Matcher m = p.matcher("as");
boolean b = m.matches();
boolean b2=Pattern.compile(".s").matcher("as").matches();
boolean b3 = Pattern.matches(".s", "as");
System.out.println(b+" "+b2+" "+b3);
}}
Example 2: java regex matcher example
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class MatcherExample {
public static void main(String[] args) {
String text =
"This is the text to be searched " +
"for occurrences of the http:// pattern.";
String patternString = ".*http://.*";
Pattern pattern = Pattern.compile(patternString);
Matcher matcher = pattern.matcher(text);
boolean matches = matcher.matches();
int count = 0;
while(matcher.find()) {
count++;
System.out.println("found: " + count + " : "
+ matcher.start() + " - " + matcher.end());
}
}
}
Example 3: ("\\s","")regex java
x.replaceAll("\\s+", "");