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Ilya Kantor 2019-06-26 23:29:08 +03:00
parent a6552ebe84
commit d79c761d81
2 changed files with 16 additions and 14 deletions
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9-regular-expressions/09-regexp-groups/article.md
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@ -237,6 +237,6 @@ Parentheses groups are numbered left-to-right, and can optionally be named with
The content, matched by a group, can be referenced both in the replacement string as `$1`, `$2` etc, or by the name `$name` if named.
So, parentheses groups are called "capturing groups", as they "capture" a part of the match. We get that part separately from the result.
So, parentheses groups are called "capturing groups", as they "capture" a part of the match. We get that part separately from the result as a member of the array or in `.groups` if it's named.
We can exclude the group from remembering (make in "non-capturing") by putting `?:` at the start: `(?:...)`, that's used if we'd like to apply a quantifier to the whole group, but don't need it in the result.