求教1简单正则?回帖给分

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Release: 2016-06-13 13:08:01
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求教一简单正则?回帖给分!
电话号码字段(tel varchar类型)存储3个号码,并且是以分号结尾,类似:
0510-12323475,0781-26354589,021-25698746 (同时存储3个号码)
0521-25698745,, (有可能只存储1个电话号码)
0521-25698745,021-25698475, (有可能只存储2个电话号码)
现在用正则判断电话号码输入是否正常,注意电话区号。
RegTel=/^(\d{3,4}-\d{7,8}(-\d{1,4})?)?$/这是我写的,但是不行。

------解决方案--------------------

PHP code

$str = '0510-12323475,,';
$pattern = '/,?\d{4}-\d+,?/';

var_dump(preg_match($pattern, $str));
<br><font color="#e78608">------解决方案--------------------</font><br>
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PHP code
$ar = array(
 '0510-12323475,0781-26354589,021-25698746',
 '0521-25698745,,',
 '0521-25698745,021-25698475',
 '0317-88641,ttttttt',
);

$pattern = '/(?:\d{3,}-\d+,|,){3}/';

foreach($ar as $v) {
  $v = trim($v) . str_repeat(',', 3-substr_count($v, ','));//补齐逗号
  echo $v . ' ' . preg_match($pattern, $v) , PHP_EOL;
}
<br><font color="#e78608">------解决方案--------------------</font><br>
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探讨
老大,我只要$pattern的正则。但是你的$pattern不行。
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