Literals and classes
·warm-up
Just the numbers
Match a string made only of digits, and nothing else. A string with a space, a sign or a decimal point in it is not one.
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Corpus
Steps0/ 261 · par 87| Input | Match | Steps |
|---|---|---|
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 | |
| (empty) | 3 |
Trace
Select an input to step through what your pattern did to it.
Cmd-Enter submits too.