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Java - Code Samples

 Sample 1. Code to find email ids in a string using Pattern.

String text="vivek boy goy vivek@tech.com viv@ek.com sdjs@adjk";
Pattern regex = Pattern.compile("[@]");
Matcher regexMatcher = regex.matcher(text);
int i =0;
int width = 0;
while (regexMatcher.find()) {
if((regexMatcher.start()-10 > 0) && (regexMatcher.end()+10 < text.length())){
width=10;
String[] substr=text.substring(regexMatcher.start()-width,regexMatcher.end()+width).split(" ");
for(int j=0;j<substr.length;j++){
if(substr[j].contains("@") && (substr[j].contains(".com") || substr[j].contains(".net"))){
System.out.println(substr[j]);
}
}
} else {
width=0;
}
}

   Like      Feedback     regex  pattern  string  regexMatcher.find  java.util.regex.Matcher  java.util.regex.Pattern



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