2021-10-19 09:38:11 +00:00
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SELECT 'aaaabb ' == trim(leading 'b ' FROM 'b aaaabb ') x;
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SELECT 'b aaaa' == trim(trailing 'b ' FROM 'b aaaabb ') x;
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SELECT 'aaaa' == trim(both 'b ' FROM 'b aaaabb ') x;
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SELECT '1' == replaceRegexpAll(',,1,,', '^[,]*|[,]*$', '') x;
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SELECT '1' == replaceRegexpAll(',,1', '^[,]*|[,]*$', '') x;
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SELECT '1' == replaceRegexpAll('1,,', '^[,]*|[,]*$', '') x;
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SELECT '1,,' == replaceRegexpOne(',,1,,', '^[,]*|[,]*$', '') x;
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SELECT '1' == replaceRegexpOne(',,1', '^[,]*|[,]*$', '') x;
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SELECT '1,,' == replaceRegexpOne('1,,', '^[,]*|[,]*$', '') x;
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SELECT '5935,5998,6014' == trim(BOTH ', ' FROM '5935,5998,6014, ') x;
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SELECT '5935,5998,6014' == replaceRegexpAll('5935,5998,6014, ', concat('^[', regexpQuoteMeta(', '), ']*|[', regexpQuoteMeta(', '), ']*$'), '') AS x;
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