SyntaxFix

[php] What does \d+ mean in regular expression terms?

I'm new to regular expressions and came accros the following \d+ . I do not exactly know what this means, please point me in the right direction.

This question is related to php regex

The answer is

\d is called a character class and will match digits. It is equal to [0-9].

+ matches 1 or more occurrences of the character before.

So \d+ means match 1 or more digits.

\d is a digit, + is 1 or more, so a sequence of 1 or more digits

\d means 'digit'. + means, '1 or more times'. So \d+ means one or more digit. It will match 12 and 1.

Source: Stackoverflow.com

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