PYTHON strcspn

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Python replacement for PHP's strcspn [ edit | history ]

def strcspn(string, pred):
	from itertools import takewhile
	return len(list(takewhile(lambda x: x not in pred, string)))

PHP strcspn

PHP original manual for strcspn [ show | php.net ]

(PHP 4, PHP 5)

strcspn — Find length of initial segment not matching mask

int strcspn ( string $str1 , string $str2 [, int $start [, int $length ]] )

Returns the length of the initial segment of str1 which does not contain any of the characters in str2 .

Returns the length of the segment as an integer.

Version	Description
4.3.0	The `start` and `length` were added

Note: This function is binary-safe.