In
| D toc |
|---|
| Excerpt | |
|---|---|
In
|
...
A capture group |
...
is a pattern that describes a set of one or more characters that constitute a match. These matches can be programmatically referenced in replacement values. |
- These patterns are described using regular expression syntax.
implements a version of regular expressions based off of RE2 and PCRE regular expressions.D s product
...
| Type | Example expression | |||
|---|---|---|---|---|
| Positive lookahead |
| Capture the letter q only when it is followed by the letter u. Letter u is not captured. | ||
| Negative lookahead |
| Capture the letter q when it is not followed by the letter u. Letter u is not captured. |
| D s also | ||||
|---|---|---|---|---|
|
