Compiling a Pattern with Multiple Flags
Multiple flags must be combined using the or operator (|). import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] argv) throws Exception { CharSequence inputStr = "Abc\ndef"; String patternStr = "abc$"; // Compile with multiline and case-insensitive enabled Pattern pattern = Pattern.compile(patternStr, Pattern.MULTILINE | Pattern.CASE_INSENSITIVE); Matcher matcher = pattern.matcher(inputStr); boolean matchFound = matcher.find(); } }