Find the first occurrence of a non-alphanumeric character in a string

Question

Find the first occurrence of a non-alphanumeric character in a string

I know what I could use strpos

to find the first occurrence of a string. But is it possible to find the first occurrence of a character that is not an alphabetic character or a number.

For example:

strpos2('hello world') => 5

strpos2('hi!you') => 2

+3

php indexof strpos

ananda June 11. 17 at 6:22 am

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1 answer

B. Desai · Accepted Answer · 2017-06-11T06:36:32+0000

Try with preg_match

$string = "hi!you";
preg_match('/[\W]+/', $string, $match, PREG_OFFSET_CAPTURE);
print_r($match);

Here $ match will return the position of the first matching alphabetic character

Find the first occurrence of a non-alphanumeric character in a string

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