提及PHP正则表达式（@name）[重复]

Question

This question already has an answer here:

• Finding @mentions in string 5 answers

I have busting my balls on this one, and I have been trying numerous regex'es but just can't seem to get it right. (I am not that experienced in regex).

The following situation is going on, lets take this basic sentence for example;

I recently saw @john-doe riding a bike, did you noticed that too @foo-bar?

The trick here is to get only the @john-doe and @foo-bar parts from the string, preferably in an array:

$arr = [
   '@john-doe',
   '@foo-bar'
];

Could someone help me get on the right track?

</div>

Answer 1

You can use this regex (\@(?P<name>[a-zA-Z\-\_]+)) :

<?php
$matches = [];
$text = "I recently saw @john-doe riding a bike, did you noticed that too @foo-bar?";
preg_match_all ("(\@(?P<names>[a-zA-Z\-\_]+))" ,$text, $matches);
var_dump($matches['names']);

In this example, I used the ?P<names> to name the capture groups, it's easier to get it.
I've made a Regex101 for you, and a PHP sandbox for test
https://regex101.com/r/ZFWvCG/1
http://sandbox.onlinephpfunctions.com/code/1d04ce64a2a290994bf0effd7cf8f0039f20277b