Regex

• .: matches any single character;

• .*: matches any character of any length;

• ?: matches the preceding character 0 or 1 time;

• +: matches the preceding character at least once, or multiple times consecutively;

• {n}: matches the preceding character when it appears consecutively exactly n times;

• {x,y}: matches the preceding character when it appears consecutively at least x times and at most y times; it will be matched as long as it is between x and y;

• {,n}: matches the preceding character when it appears consecutively at most n times and at least 0 times;

• {n,}: matches the preceding character only when it appears consecutively at least n times;