php preg_split



years ago. this regular expression will split a long string of words into an array of substrings, of some maximum length, but only on wordboundries. i use the regex with preg_match_all(); but, i'm posting this example here (on the page for preg_split()) because that's where i looked when i wanted to find a way to do this. preg means pcre regexp", which is kind of redundant, since the "pcre" means "perl compatible regexp". regexps are a nightmare to the beginner. i still don't fully understand them and i've been working with them for years. basically the example you have there, broken down is: "/[\s,]/" = start or end of  try this: <?php $string = "foo bar baz; boo, bat"; $words = preg_split('/[,.\s;]/', $string); var_dump($words); > ["foo", "bar", "baz", "boo", "bat"]. the pattern explained. [] is a character class, a character class consists of multiple characters and matches to one of the characters which are inside the class.

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preg_split() is similar to the old eregfunction split(). you only have to enclose the regex in like so: preg_split('/www/', 'd projects/job/www/www/path/source', );. the enclosing slashes here are really part of the regular expression syntax, not searched for in the string. if the www delimiter is variable  here you go: preg_split('/([^.:!?][.:!?])/', 'good:news.everyone!', , preg_split_delim_capture | preg_split_no_empty);. how it works: the pattern actually turns everything into a delimiter. then, to include these delimiters in the array, you can use the preg_split_delim_capture constant. php function preg_split() a simple and short php tutorial and complete reference manual for all builtin php functions. this tutorial is designed for beginners to advanced developers. you will learn php builtin function, predefined variables examples, object oriented php, numbers, scalars, arrays, hash file i/o, if, 

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flags. flags peut être la combinaison des options suivantes (combinées avec l'opérateur |):. preg_split_no_empty: si cette option est activée, seules les souschaînes non vides seront retournées par preg_split(). preg_split_delim_capture: si cette option est activée, les expressions entre parenthèses entre les  essai preg_split en ligne. Éclate une chaîne par expression rationnelle. using php preg_split function to convert strings to arrays. uses regular expressions and includes options not present in php explode function. description. array preg_split ( string pattern, string subject [, int limit [, int flags]]). 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, and if limit is , it actually means "no limit", which is useful for specifying the flags.

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