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Top Forums Shell Programming and Scripting tcl: regexp matching special character Post 302156943 by sumitgarg on Wednesday 9th of January 2008 04:28:21 PM
Old 01-09-2008
i would rather use lsearch

i was trying to understand if (and how) that can be done with 'regexp'?

Otherwise,

lsearch -exact $str1 $var1

does the job pretty well.

% set var1 {a[1]}
a[1]
% set var2 {aa[1]}
aa[1]
% set var3 {a[11]}
a[11]
% set str1 {a[1] is the element we are looking for and not aa[1] or a[11]}
a[1] is the element we are looking for and not aa[1] or a[11]

% lsearch -exact $str1 $var1
0
% lsearch -exact $str1 $var2
10
% lsearch -exact $str1 $var3
12
 

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COLLATOR_COMPARE(3)							 1						       COLLATOR_COMPARE(3)

Collator::compare - Compare two Unicode strings

	Object oriented style

SYNOPSIS
public int Collator::compare (string $str1, string $str2) DESCRIPTION
Procedural style int collator_compare (Collator $coll, string $str1, string $str2) Compare two Unicode strings according to collation rules. PARAMETERS
o $coll -Collator object. o $str1 - The first string to compare. o $str2 - The second string to compare. RETURN VALUES
Return comparison result: o 1 if $str1 is greater than $str2 ; o 0 if $str1 is equal to $str2; o -1 if $str1 is less than $str2 . On error boolean FALSE is returned. Warning This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE. Please read the section on Booleans for more information. Use the === operator for testing the return value of this function. EXAMPLES
Example #1 collator_compare(3)example <?php $s1 = 'Hello'; $s2 = 'hello'; $coll = collator_create( 'en_US' ); $res = collator_compare( $coll, $s1, $s2 ); if ($res === false) { echo collator_get_error_message( $coll ); } else if( $res > 0 ) { echo "s1 is greater than s2 "; } else if( $res < 0 ) { echo "s1 is less than s2 "; } else { echo "s1 is equal to s2 "; } ?> The above example will output: SEE ALSO
collator_sort(3). PHP Documentation Group COLLATOR_COMPARE(3)
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