Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String replaceAll(String string, String notregex, String replacement) {
        return string.replaceAll(quote(notregex), quoteReplacement(replacement));
    }

    /**
     * @see java.util.regex.Pattern#quote(java.lang.String)
     */
    public static String quote(String s) {
        int slashEIndex = s.indexOf("\\E");
        if (slashEIndex == -1)
            return "\\Q" + s + "\\E";

        StringBuilder sb = new StringBuilder(s.length() * 2);
        sb.append("\\Q");
        slashEIndex = 0;
        int current = 0;
        while ((slashEIndex = s.indexOf("\\E", current)) != -1) {
            sb.append(s.substring(current, slashEIndex));
            current = slashEIndex + 2;
            sb.append("\\E\\\\E\\Q");
        }
        sb.append(s.substring(current, s.length()));
        sb.append("\\E");
        return sb.toString();
    }

    /**
     * @see java.util.regex.Matcher#quoteReplacement(java.lang.String)
     */
    public static String quoteReplacement(String s) {
        if ((s.indexOf('\\') == -1) && (s.indexOf('$') == -1))
            return s;
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (c == '\\') {
                sb.append('\\');
                sb.append('\\');
            } else if (c == '$') {
                sb.append('\\');
                sb.append('$');
            } else {
                sb.append(c);
            }
        }
        return sb.toString();
    }
}