CTYPE_PUNCT(3) 1 CTYPE_PUNCT(3)ctype_punct - Check for any printable character which is not whitespace or an alphanumeric characterSYNOPSIS
bool ctype_punct (string $text)
DESCRIPTION
Checks if all of the characters in the provided string, $text, are punctuation character.
PARAMETERS
o $text
- The tested string.
RETURN VALUES
Returns TRUE if every character in $text is printable, but neither letter, digit or blank, FALSE otherwise.
EXAMPLES
Example #1
A ctype_punct(3) example
<?php
$strings = array('ABasdk!@!$#', '!@ # $', '*&$()');
foreach ($strings as $testcase) {
if (ctype_punct($testcase)) {
echo "The string $testcase consists of all punctuation.
";
} else {
echo "The string $testcase does not consist of all punctuation.
";
}
}
?>
The above example will output:
The string ABasdk!@!$# does not consist of all punctuation.
The string !@ # $ does not consist of all punctuation.
The string *&$() consists of all punctuation.
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_cntrl(3), ctype_graph(3).
PHP Documentation Group CTYPE_PUNCT(3)
Check Out this Related Man Page
CTYPE_XDIGIT(3) 1 CTYPE_XDIGIT(3)ctype_xdigit - Check for character(s) representing a hexadecimal digitSYNOPSIS
bool ctype_xdigit (string $text)
DESCRIPTION
Checks if all of the characters in the provided string, $text, are hexadecimal 'digits'.
PARAMETERS
o $text
- The tested string.
RETURN VALUES
Returns TRUE if every character in $text is a hexadecimal 'digit', that is a decimal digit or a character from [A-Fa-f] , FALSE otherwise.
EXAMPLES
Example #1
A ctype_xdigit(3) example
<?php
$strings = array('AB10BC99', 'AR1012', 'ab12bc99');
foreach ($strings as $testcase) {
if (ctype_xdigit($testcase)) {
echo "The string $testcase consists of all hexadecimal digits.
";
} else {
echo "The string $testcase does not consist of all hexadecimal digits.
";
}
}
?>
The above example will output:
The string AB10BC99 consists of all hexadecimal digits.
The string AR1012 does not consist of all hexadecimal digits.
The string ab12bc99 consists of all hexadecimal digits.
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_digit(3).
PHP Documentation Group CTYPE_XDIGIT(3)
hi all
how do i check if a string consist of any space by using shell script.
i have the following code
while test -z $string
do
//prompting for another string if string is length 0
done
when i type "a b" it give me an error
test: a: binary operator expected
thanks (7 Replies)
I have a text file that better not contain any letters....it can only contain numbers and periods. no commas or other punctuation. if it does have letters, I need to know about it. (log file)
>cat file.txt
772108889
77090.77090
4557889.1
4557889
need script that tells me if any of the lines... (1 Reply)
I know that forward slash and backslash are "whack" and "backwhack," and I know that a pound-sign or number sign is "crunch" and an exclamation point, "bang." What I would like to know is whether or not there's a popular nickname for the dollar sign. I call it "cash," but that may just be Yank... (6 Replies)
Hello,
i encountered this in perl but it might be command line related as well:
i am sending text as an argument to echo command on remote computer.
if the text has alphanumeric characters only, say 'hello world' all is well. if however text has metacharachters, e.g. 'hello | world' or even... (2 Replies)
Hi!
Could anyone so kindly help me a code to eliminate from a txt file, obtained by collecting and merge several web-page, every word (string) containing non alphabetical, numeric and punctuation character (i.e NON a-zA-Z0-9, underscore and punctuation mark)?
Thanks a lot for the help to... (5 Replies)
cp $l_options $srcdirfile $destdirfile
If i want to check whether there is a non printable character in the variables
$l_options $srcdirfile $destdirfile
how it can be done? (2 Replies)
Hi,
We have a non printable character "®" in our file , we want to remove this character, we tried tr -dc '' < oldfile> newfile but this command is removing all new line entries along with the non printable character and all the records are coming in one line(it is changing the format of the... (2 Replies)
I wish to remove punctuation except a few of my choice, for example, I wish to keep (#) and remove rest of the punctuation marks. Can this script be modified suitably please help.
#!/bin/bash
echo "Enter the type of file: "
read f
a=(*.$f)
for (( i =0; i < ${#a}; i++ ))
do
echo $i " ... (18 Replies)
#!/bin/bash
a=(*.pdf)
punct=((~`!@#$%^&*()_-+=|\{};':",./<>?))
for (( i =0; i < ${#a}; i++ ))
do
sed -ri 's/$punct//g' ${a}
done
I cannot use the above code, can you help me in removing all punctuation marks from file name except file extension. The idea is that once all... (9 Replies)
Hi All,
I am trying to find non-printable characters in a string. The sting could have alphanumeric, puntuations and characters like (*&%$#.') but not non-printable (or that is what I think they are called) which are introduced when you copy any text from DOS to unix box.
Input string1:... (10 Replies)
Hi,
I have a huge file (50 Mil rows) which has certain non-printable ASCII characters in it. I am cleaning the file by deleting those characters using the following command -
tr -cd '\11\12\15\40-\176' < unclean_file > clean_file
Please note that I am excluding the following -
tab,... (6 Replies)
Hello.
I have a string variable named L_TEMP to test a very simple filter.
L_TEMP="50AwL.|KWp9jk"
I want to insert a non printable character between K and W.
I have try this :
linux-g65k:~ # a='50AwL.|K'
linux-g65k:~ # b='Wp9jk'
linux-g65k:~ # L_TEMP="$a$'\x07'$b"
linux-g65k:~ # echo... (6 Replies)