import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?<!function )(?<!\\/\\/)print";
final String string = "<?php\n"
+ " // Description of file\n"
+ " ...\n"
+ " print(\"Foobar\");\n"
+ " // print(\"Foo\");\n"
+ " //print(\"bar\");\n"
+ " // Open and print file\n"
+ " function printtemplate($file) {\n"
+ " ...\n"
+ " }\n"
+ " ...\n"
+ " printtemplate($file);\n"
+ " ... \n"
+ "?>";
final String subst = "//$0";
final Pattern pattern = Pattern.compile(regex);
final Matcher matcher = pattern.matcher(string);
// The substituted value will be contained in the result variable
final String result = matcher.replaceAll(subst);
System.out.println("Substitution result: " + result);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html