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* Additional .gitignore entries * Merge a bunch of small articles about system tables into single one * Merge a bunch of small articles about formats into single one * Adapt table with formats to English docs too * Add SPb meetup link to main page * Move Utilities out of top level of docs (the location is probably not yet final) + translate couple articles * Merge MacOS.md into build_osx.md * Move Data types higher in ToC * Publish changelog on website alongside documentation * Few fixes for en/table_engines/file.md * Use smaller header sizes in changelogs * Group up table engines inside ToC * Move table engines out of top level too * Specificy in ToC that query language is SQL based. Thats a bit excessive, but catches eye. * Move stuff that is part of query language into respective folder * Move table functions lower in ToC * Lost redirects.txt update * Do not rely on comments in yaml + fix few ru titles * Extract major parts of queries.md into separate articles * queries.md has been supposed to be removed * Fix weird translation * Fix a bunch of links * There is only table of contents left * "Query language" is actually part of SQL abbreviation * Change filename in README.md too * fix mistype
21 lines
890 B
Markdown
21 lines
890 B
Markdown
# Functions for splitting and merging strings and arrays
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## splitByChar(separator, s)
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Splits a string into substrings separated by 'separator'.'separator' must be a string constant consisting of exactly one character.
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Returns an array of selected substrings. Empty substrings may be selected if the separator occurs at the beginning or end of the string, or if there are multiple consecutive separators.
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## splitByString(separator, s)
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The same as above, but it uses a string of multiple characters as the separator. The string must be non-empty.
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## arrayStringConcat(arr\[, separator\])
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Concatenates the strings listed in the array with the separator.'separator' is an optional parameter: a constant string, set to an empty string by default.
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Returns the string.
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## alphaTokens(s)
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Selects substrings of consecutive bytes from the ranges a-z and A-Z.Returns an array of substrings.
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