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Top Forums Shell Programming and Scripting To find nth position of character in string Post 302901327 by Jonty Immortal on Tuesday 13th of May 2014 10:43:27 AM
Old 05-13-2014
To find nth position of character in string

Hi guyz i want to know nth position of character in string. For ex.
var="UK,TK,HK,IND,AUS"

now if we see 1st occurance of , is at 3 position, 2nd at 6,..4th at 13 position.
1st position we can find through INDEX, but what about 2nd,3rd and 4th or may be upto nth position. ?
In oracle we had instr there we could provide the nth number occurance also. Here how we can achieve it ?

FYI i am beginner in unix and i m using KSH
 

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MB_STRRIPOS(3)								 1							    MB_STRRIPOS(3)

mb_strripos - Finds position of last occurrence of a string within another, case insensitive

SYNOPSIS
int mb_strripos (string $haystack, string $needle, [int $offset], [string $encoding = mb_internal_encoding()]) DESCRIPTION
mb_strripos(3) performs multi-byte safe strripos(3) operation based on number of characters. $needle position is counted from the beginning of $haystack. First character's position is 0. Second character position is 1. Unlike mb_strrpos(3), mb_strripos(3) is case-insensitive. PARAMETERS
o $haystack - The string from which to get the position of the last occurrence of $needle o $needle - The string to find in $haystack o $offset - The position in $haystack to start searching o $encoding - Character encoding name to use. If it is omitted, internal character encoding is used. RETURN VALUES
Return the numeric position of the last occurrence of $needle in the $haystack string, or FALSE if $needle is not found. SEE ALSO
strripos(3), strrpos(3), mb_strrpos(3). PHP Documentation Group MB_STRRIPOS(3)
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