This project is based on the study of Mihalis Tsoukalos' Go Systems Programming
| Metacharacter | Meaning |
|---|---|
| ^ | Matches the beginning of the line only |
| $ | Matches the end of the line only |
| * | A single character followed by an * will match zero or more occurrences |
| [] | Character enclosed inside the [] will be matched. This can be a single or range of characters. You can use the - to include a range inclusively. Instead of saying [12345] use [1-5] |
| \ | This is used to escape the special meaning of a metacharacter |
| . | Matches any single character |
| pattern {n } | Matches a specific number of occurrences specified by n that contains the preceding character |
| pattern {n,}m | Works like the above pattern but matches at least n occurrence if the preceding pattern |
| pattern {n,m} | Matches any number of occurrences between n and m of the preceding pattern |