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Minor changes in splitByRegexp
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@ -109,22 +109,22 @@ splitByRegexp(<regexp>, <s>)
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Returns an array of selected substrings. Empty substrings may be selected when:
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Type: [Array](../../sql-reference/data-types/array.md) of [String](../../sql-reference/data-types/string.md).
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- A non-empty regular expression match occurs at the beginning or end of the string;
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- There are multiple consecutive non-empty regular expression matches;
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- The original string `s` is empty while the regular expression is not empty.
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Type: [Array](../../sql-reference/data-types/array.md) of [String](../../sql-reference/data-types/string.md).
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**Example**
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``` sql
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SELECT splitByRegexp('\\d+', 'a1bc2de3f')
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SELECT splitByRegexp('\\d+', 'a12bc23de345f')
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```
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``` text
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┌─splitByRegexp('\\d+', 'a1bc2de3f')─┐
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│ ['a','bc','de','f'] │
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└────────────────────────────────────┘
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┌─splitByRegexp('\\d+', 'a12bc23de345f')─┐
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│ ['a','bc','de','f'] │
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└────────────────────────────────────────┘
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```
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``` sql
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@ -196,4 +196,3 @@ Result:
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│ [['abc','123'],['8','"hkl"']] │
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└───────────────────────────────────────────────────────────────────────┘
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```
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@ -1,5 +1,5 @@
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select splitByRegexp('\\d+', 'a1ba5ba8b');
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select splitByRegexp('\\d+', x) from (select arrayJoin(['a1ba5ba8b', 'a11ba5689ba891011b']) x);
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select splitByRegexp('', 'abcde');
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select splitByRegexp('<[^<>]*>', x) from (select arrayJoin(['<h1>hello<h2>world</h2></h1>', 'gbye<split>bug']) x);
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select splitByRegexp('ab', '');
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select splitByRegexp('', '');
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select splitByRegexp('', '');
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