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# preg_split

preg_split -- Split string by a regular expression

## Description

`array preg_split`(string pattern, string subject, int [limit], int [flags]);

> Note: Parameter `flags` was added in PHP Beta 3.

Returns an array containing substrings of `subject` split along boundaries matched by `pattern`.

If `limit` is specified, then only substrings up to `limit` are returned.

If flags is PREG_SPLIT_NO_EMPTY then only non-empty pieces will be by preg_split().

Example 1. Getting parts of search string

      1
      2 $keywords = preg_split("/[\s,]+/", "hypertext language, programming");
      3

See also preg_match(), preg_match_all(), and preg_replace().

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