| 1 |
An integer with optional plus or minus sign
|
| 2 |
^(\+|-)?[0-9]+$ (may use [-+]? as well)
|
| 3 |
Double-quoted strings, with no nested double quotes
|
| 4 |
"[^"]*" (matches the empty string "")
|
| 5 |
Double-quoted strings, with Fortran-like nested quotes
|
| 6 |
"([^"]|"")*"
|
| 7 |
Double-quoted strings, with C-like nested quotes
|
| 8 |
"([^"]|\\")*" (bugged! Why?)
|
| 9 |
"(\\"|[^"])*" (better, but still flawed)
|
| 10 |
"(\\"|[^"\\])*" (works, but inefficient)
|
| 11 |
"([^"\\]|\\")*" (works efficiently!)
|
| 12 |
Double-quoted strings, with other escaped characters
|
| 13 |
"([^"\\]|\\.)*" (but not escaped newlines)
|
| 14 |
"([^"\\]|\\(.|\n))*"
|
