07-04-2006
Extract the last character of a string
How can I extract the last character of a string (withou knowing how many characters are in that string ! )
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line1 12
line2 33
line3 6
...
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>header
taaccctaaccctaaccctaacccaaccccaccccaaccccaaccccaac
ccaaccctaaccctaaccctaacccaaccctaaccctaaccctaacccaa
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Hello,
I have a file of strings a below:-
4358RYFHD9845
28/COC/UYF984
9834URD 98HJDU
I need to extract all the first numeric character of every sting as follows:-
4358
28
9834
thanks to suggest ASAP
Regards,
Jasi
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Hi,
Anyone can help using SED searches a character string for a specified delimiter character, and returns a leading or trailing space/blank.
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"1"|"ExternalClassDEA519CF5"|"Art1"
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"3"|"ExternalClass305ED16B8"|"Art9"
...
...
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LEARN ABOUT PHP
ctype_cntrl
CTYPE_CNTRL(3) 1 CTYPE_CNTRL(3)
ctype_cntrl - Check for control character(s)
SYNOPSIS
bool ctype_cntrl (string $text)
DESCRIPTION
Checks if all of the characters in the provided string, $text, are control characters. Control characters are e.g. line feed, tab, escape.
PARAMETERS
o $text
- The tested string.
RETURN VALUES
Returns TRUE if every character in $text is a control character from the current locale, FALSE otherwise.
EXAMPLES
Example #1
A ctype_cntrl(3) example
<?php
$strings = array('string1' => "
", 'string2' => 'arf12');
foreach ($strings as $name => $testcase) {
if (ctype_cntrl($testcase)) {
echo "The string '$name' consists of all control characters.
";
} else {
echo "The string '$name' does not consist of all control characters.
";
}
}
?>
The above example will output:
The string 'string1' consists of all control characters.
The string 'string2' does not consist of all control characters.
NOTES
Note
If an integer between -128 and 255 inclusive is provided, it is interpreted as the ASCII value of a single character (negative val-
ues have 256 added in order to allow characters in the Extended ASCII range). Any other integer is interpreted as a string contain-
ing the decimal digits of the integer.
SEE ALSO
ctype_print(3).
PHP Documentation Group CTYPE_CNTRL(3)