PYTHON ctype_cntrl

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Python replacement for PHP's ctype_cntrl [ edit | history ]
def has_cntrl_chars(str):
    ret = False

    for char in ['\t', '\n', '\\']:
        if char in str:
            ret = True

    return ret

PHP ctype_cntrl

PHP original manual for ctype_cntrl [ show | ]


(PHP 4 >= 4.0.4, PHP 5)

ctype_cntrlCheck for control character(s)


bool ctype_cntrl ( string $text )

Checks if all of the characters in the provided string, text , are control characters. Control characters are e.g. line feed, tab, escape.



The tested string.

Return Values

Returns TRUE if every character in text is a control character from the current locale, FALSE otherwise.


Example #1 A ctype_cntrl() example

= array('string1' => "\n\r\t"'string2' => 'arf12');
foreach (
$strings as $name => $testcase) {
    if (
ctype_cntrl($testcase)) {
"The string '$name' consists of all control characters.\n";
    } else {
"The string '$name' does not consist of all control characters.\n";

The above example will output:

The string 'string1' consists of all control characters.
The string 'string2' does not consist of all control characters.

See Also