Bat/src/main/java/cc/fascinated/bat/common/StringUtils.java

package cc.fascinated.bat.common;

/**
 * @author Fascinated (fascinated7)
 */
public class StringUtils {
    /**
     * Generates a random string
     *
     * @param length the length of the string
     * @return the random string
     */
    public static String randomString(int length) {
        StringBuilder stringBuilder = new StringBuilder();
        for (int i = 0; i < length; i++) {
            stringBuilder.append((char) (Math.random() * 26 + 'a'));
        }
        return stringBuilder.toString();
    }

    /**
     * Escapes meta characters in a string
     *
     * @param inputString the input string
     * @return the string with escaped meta characters
     */
    public static String escapeMetaCharacters(String inputString){
        final String[] metaCharacters = {"\\","^","$","{","}","[","]","(",")",".","*","+","?","|","<",">","-","&","%"};

        for (String metaCharacter : metaCharacters) {
            if (inputString.contains(metaCharacter)) {
                inputString = inputString.replace(metaCharacter, "\\" + metaCharacter);
            }
        }
        return inputString;
    }
}