36573959-example

Example code for SO question 36573959.

Code

public static void main(String args[]) {
	
	String testCases[] = new String[] {
		"<font color=\"black\">",
		"BlaBla <font color=\"red\">",
		"<font size=\"2\" color=\"white\">",
		"<font size=\"2\">",
		"<font size=\"10\"><font color=\"black\"><font size=\"10\">"
	};
	
	for (String testCase : testCases) {
		System.out.print(testCase + " = ");
		matchFontColor(testCase);
	}

}

public static void matchFontColor(String html) {
	
	Pattern p = Pattern.compile("<font[^>]*color=\"[^\"]+\"[^>]*>");
	Matcher m = p.matcher(html);
	if (m.find()) {
		System.out.println(m.group());
	} else {
		System.out.println("no match");
	}
	
}

Result

Console

<font color="black"> = <font color="black">
BlaBla <font color="red"> = <font color="red">
<font size="2" color="white"> = <font size="2" color="white">
<font size="2"> = no match
<font size="10"><font color="black"><font size="10"> = <font color="black">

Bytecode

Compiled from "RunnContainer.java"
public class io.jpad.scratch.RunnContainer {
  public io.jpad.scratch.RunnContainer();
    Code:
       0: aload_0
       1: invokespecial #1                  // Method java/lang/Object."<init>":()V
       4: return

  public static void main(java.lang.String[]);
    Code:
       0: iconst_5
       1: anewarray     #2                  // class java/lang/String
       4: dup
       5: iconst_0
       6: ldc           #3                  // String <font color=\"black\">
       8: aastore
       9: dup
      10: iconst_1
      11: ldc           #4                  // String BlaBla <font color=\"red\">
      13: aastore
      14: dup
      15: iconst_2
      16: ldc           #5                  // String <font size=\"2\" color=\"white\">
      18: aastore
      19: dup
      20: iconst_3
      21: ldc           #6                  // String <font size=\"2\">
      23: aastore
      24: dup
      25: iconst_4
      26: ldc           #7                  // String <font size=\"10\"><font color=\"black\"><font size=\"10\">
      28: aastore
      29: astore_1
      30: aload_1
      31: astore_2
      32: aload_2
      33: arraylength
      34: istore_3
      35: iconst_0
      36: istore        4
      38: iload         4
      40: iload_3
      41: if_icmpge     87
      44: aload_2
      45: iload         4
      47: aaload
      48: astore        5
      50: getstatic     #8                  // Field java/lang/System.out:Ljava/io/PrintStream;
      53: new           #9                  // class java/lang/StringBuilder
      56: dup
      57: invokespecial #10                 // Method java/lang/StringBuilder."<init>":()V
      60: aload         5
      62: invokevirtual #11                 // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
      65: ldc           #12                 // String  =
      67: invokevirtual #11                 // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
      70: invokevirtual #13                 // Method java/lang/StringBuilder.toString:()Ljava/lang/String;
      73: invokevirtual #14                 // Method java/io/PrintStream.print:(Ljava/lang/String;)V
      76: aload         5
      78: invokestatic  #15                 // Method matchFontColor:(Ljava/lang/String;)V
      81: iinc          4, 1
      84: goto          38
      87: return

  public static void matchFontColor(java.lang.String);
    Code:
       0: ldc           #16                 // String <font[^>]*color=\"[^\"]+\"[^>]*>
       2: invokestatic  #17                 // Method java/util/regex/Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
       5: astore_1
       6: aload_1
       7: aload_0
       8: invokevirtual #18                 // Method java/util/regex/Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
      11: astore_2
      12: aload_2
      13: invokevirtual #19                 // Method java/util/regex/Matcher.find:()Z
      16: ifeq          32
      19: getstatic     #8                  // Field java/lang/System.out:Ljava/io/PrintStream;
      22: aload_2
      23: invokevirtual #20                 // Method java/util/regex/Matcher.group:()Ljava/lang/String;
      26: invokevirtual #21                 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
      29: goto          40
      32: getstatic     #8                  // Field java/lang/System.out:Ljava/io/PrintStream;
      35: ldc           #22                 // String no match
      37: invokevirtual #21                 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
      40: return
}

Jpad Version:1.05

viewCount:2886

Creator: mellamokb

Latest Editor: mellamokb

36573959-example

Code

Result

Console

Bytecode

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