Java Utililty Methods Wildcard

Description

The list of methods to do Wildcard are organized into topic(s).

Method

String

wildcardToCaseInsensitiveRegex(final String pattern)
wildcard To Case Insensitive Regex

if (pattern == null) {
    return null;
return "(?i)".concat(wildcardToRegex(pattern));

String

wildcardUserToSql(String exp)
Turn a user supplied wildcard expression with * into an SQL LIKE/NOT LIKE expression with %'s and other special characters.

StringBuffer sb = new StringBuffer();
for (int i = 0; i < exp.length(); i++) {
    String substring = exp.substring(i);
    if (substring.startsWith("*")) {
        sb.append("%");
    } else if (substring.startsWith("?")) {
        sb.append("_");
    } else if (substring.startsWith("\\*")) {
...