Regex (common)
| - | - |
|---|---|
. (dot) |
Any single character except a newline |
* |
Zero or more repeats |
+ |
One or more repeats |
? |
Zero or one repeat |
\ |
Quote special characters |
\c |
Quote regular expression special character c |
| |
Alternative (âorâ) |
\(...\) |
Grouping |
\(:?...\) |
Shy grouping |
\(:NUM...\) |
Explicit numbered grouping |
\n |
Same text as nth group |
\b |
At word break |
\B |
Not at word break |
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