Following are various examples of matching characters using regular expression in java.
| Sr.No | Construct & Matches |
|---|---|
| 1 | xThe character x |
| 2 | \\The backslash character |
| 3 | \0nThe character with octal value 0n (0 ≤ n ≤ 7) |
| 4 | \0nnThe character with octal value 0nn (0 ≤ n ≤ 7) |
| 5 | \0mnnThe character with octal value 0mnn (0 ≤ m ≤ 3, 0 ≤ n ≤ 7) |
| 6 | \xhhThe character with hexadecimal value 0xhh |
| 7 | \uhhhhThe character with hexadecimal value 0xhhhh |
| 8 | \tThe tab character (‘\u0009’) |
| 9 | \nThe newline (line feed) character (‘\u000A’) |
| 10 | \rThe carriage-return character (‘\u000D’) |
| 11 | \fThe form-feed character (‘\u000C’) |
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