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Minor changes in splitByRegexp

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Vladimir 2021-05-13 12:21:00 +03:00 committed by GitHub
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2 changed files with 7 additions and 8 deletions
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9
docs/en/sql-reference/functions/splitting-merging-functions.md
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@ -109,22 +109,22 @@ splitByRegexp(<regexp>, <s>)
Returns an array of selected substrings. Empty substrings may be selected when: Returns an array of selected substrings. Empty substrings may be selected when:
Type: [Array](../../sql-reference/data-types/array.md) of [String](../../sql-reference/data-types/string.md).
- A non-empty regular expression match occurs at the beginning or end of the string; - A non-empty regular expression match occurs at the beginning or end of the string;
- There are multiple consecutive non-empty regular expression matches; - There are multiple consecutive non-empty regular expression matches;
- The original string `s` is empty while the regular expression is not empty. - The original string `s` is empty while the regular expression is not empty.
Type: [Array](../../sql-reference/data-types/array.md) of [String](../../sql-reference/data-types/string.md).
**Example** **Example**
``` sql ``` sql
SELECT splitByRegexp('\\d+', 'a1bc2de3f') SELECT splitByRegexp('\\d+', 'a12bc23de345f')
``` ```
``` text ``` text
┌─splitByRegexp('\\d+', 'a1bc2de3f')─┐ ┌─splitByRegexp('\\d+', 'a12bc23de345f')─┐
│ ['a','bc','de','f'] │ │ ['a','bc','de','f'] │
└────────────────────────────────────┘ └────────────────────────────────────────┘
``` ```
``` sql ``` sql
@ -196,4 +196,3 @@ Result:
│ [['abc','123'],['8','"hkl"']] │ │ [['abc','123'],['8','"hkl"']] │
└───────────────────────────────────────────────────────────────────────┘ └───────────────────────────────────────────────────────────────────────┘
``` ```

2
tests/queries/0_stateless/01866_split_by_regexp.sql
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@ -1,4 +1,4 @@
select splitByRegexp('\\d+', 'a1ba5ba8b'); select splitByRegexp('\\d+', x) from (select arrayJoin(['a1ba5ba8b', 'a11ba5689ba891011b']) x);
select splitByRegexp('', 'abcde'); select splitByRegexp('', 'abcde');
select splitByRegexp('<[^<>]*>', x) from (select arrayJoin(['<h1>hello<h2>world</h2></h1>', 'gbye<split>bug']) x); select splitByRegexp('<[^<>]*>', x) from (select arrayJoin(['<h1>hello<h2>world</h2></h1>', 'gbye<split>bug']) x);
select splitByRegexp('ab', ''); select splitByRegexp('ab', '');