如何使用php拆分字符串的数量和字符？ [重复]

Question

This question already has an answer here:

• How to separate letters and digits from a string in php 8 answers

I would like to know how to split number and character into string in PHP. for example. I have string B234CR45SV42 and I wan to split into

B 
234 
C 
R
45
SV
42

Please note that my code will change different character and numbers any time.

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Answer 1

Use regex in preg_match_all() function to select target parts of string.

$str = "B234CR45SV42";
preg_match_all("/[A-Z]+|\d+/", $str, $matches);
print_r($matches[0]);

See result in demo