Java Wildcard to Regex wildcard2Regex(final String wildcard)

Description

wildcard Regex

License

Apache License

Declaration

static final public String wildcard2Regex(final String wildcard) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {

    static final public String wildcard2Regex(final String wildcard) {
        StringBuffer s = new StringBuffer((int) (wildcard.length() * 1.3));
        String w = wildcard;/*from   w  w  w  .ja va 2 s.c o  m*/
        for (int i = 0, is = w.length(); i < is; i++) {
            char c = w.charAt(i);
            switch (c) {
            case '*':
                s.append(".*");
                break;
            case '?':
                s.append(".");
                break;
            case '(':
            case ')':
            case '[':
            case ']':
            case '$':
            case '^':
            case '.':
            case '{':
            case '}':
            case '|':
            case '\\':
                s.append("\\");
                s.append(c);
                break;
            default:
                s.append(c);
                break;
            }
        }
        return s.toString();
    }
}

Related

1. wildcard2regexp(String wildcard)
2. wildcardAsRegex(String patternWithWildcards)
3. wildcardAsRegex(String wildcard)
4. wildcardToJavaRegex(String expr)