NULL parameter: -1
text matches the pattern : 1
text don't matches the pattern : 1
[0-1]
[0-9]
[a-f]
[a-f0-1]
[0-9a-f] / [a-f0-9]
0x[0-9] / 0X[0-9]
0b[0-9] / 0B[0-9]
0[0-9]
- dangerous if not [a-z] / [a-Z0-9] / [A-Z0-9a-Z] etc
Base | Range | Prefix | Example |
---|---|---|---|
2 | 0, 1 |
0b /0B |
0b1101 = 13 |
8 | 0-7 |
0 |
052 = 42 |
10 | 0-9 |
123 = 123 |
|
12 | 0-9 A,B |
A6 = 126 |
|
16 | 0-9 A-F |
0x /0X |
0xFF = 255 |
20 | 0-9 A-J |
1A = 30 |
|
60 | 0-59 |
: |
1:30 = 90 |