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Top Forums Shell Programming and Scripting How to insert an array element within regex? Post 302852165 by Ophiuchus on Tuesday 10th of September 2013 04:49:33 PM
Old 09-10-2013
Hello pravin27,

Thank you for the help, the issue is that the main awk program has another field separator
and I couldn't include this new FS without affect the rest.

Hello drl,

I've tried put all characters of the regex in a variable but doesn't work, only works when
I write literally the regex within match function.

Thanks for any help.
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SPLITI(3)								 1								 SPLITI(3)

spliti - Split string into array by regular expression case insensitive

array spliti (string $pattern, string $string, [int $limit = -1]) DESCRIPTION
Splits a $string into array by regular expression. This function is identical to split(3) except that this ignores case distinction when matching alphabetic characters. Warning This function has been DEPRECATED as of PHP 5.3.0. Relying on this feature is highly discouraged. PARAMETERS
o $pattern - Case insensitive regular expression. If you want to split on any of the characters which are considered special by regular expressions, you'll need to escape them first. If you think spliti(3) (or any other regex function, for that matter) is doing something weird, please read the file regex.7, included in the regex/ subdirectory of the PHP distribution. It's in manpage for- mat, so you'll want to do something along the lines of man /usr/local/src/regex/regex.7 in order to read it. o $string - The input string. o $limit - If $limit is set, the returned array will contain a maximum of $limit elements with the last element containing the whole rest of $string. RETURN VALUES
Returns an array of strings, each of which is a substring of $string formed by splitting it on boundaries formed by the case insensitive regular expression $pattern. If there are n occurrences of $pattern, the returned array will contain n+1 items. For example, if there is no occurrence of $pattern, an array with only one element will be returned. Of course, this is also true if $string is empty. If an error occurs, spliti(3) returns FALSE. EXAMPLES
This example splits a string using 'a' as the separator : Example #1 spliti(3) example <?php $string = "aBBBaCCCADDDaEEEaGGGA"; $chunks = spliti ("a", $string, 5); print_r($chunks); ?> The above example will output: Array ( [0] => [1] => BBB [2] => CCC [3] => DDD [4] => EEEaGGGA ) NOTES
Note As of PHP 5.3.0, the regex extension is deprecated in favor of the PCRE extension. Calling this function will issue an E_DEPRECATED notice. See the list of differences for help on converting to PCRE. Tip spliti(3) is deprecated as of PHP 5.3.0. preg_split(3) with the i ( PCRE_CASELESS) modifier is the suggested alternative. SEE ALSO
preg_split(3), split(3), explode(3), implode(3). PHP Documentation Group SPLITI(3)

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