blocks|key|1232047|text|我真的不明白为什么每个人都需要验证一个电话号码的严格间隔，括号，连字符，和天知道-什么-其他要求。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1232048|删除所有不必要的字符，验证哪些需要验证，继续生活。|1232049|$phone+=+'(868)+555-1234';+//+or+868+555.1234+or+%2B868x55-5-123-4+etc
$phone+=+preg_replace('/[%5E0-9]/',+'',+$phone);+//+8685551234
if(+substring($phone,+0,+3)+==+'868'+)+{
++//+great+success
}|code-block|syntax|javascript|1232050|奖金回合。将您的数据格式化为hu-man显示器：|1232051|$phone_display+=+sprintf('(%25s)+%25s-%25s',
++substring($phone,0,3),
++substring($phone,3,3),
++substring($phone,6,4));|1232052|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I genuinely do not understand why everyone need to validate a phone number with strict spacing, bracketing, hyphenation, and god-knows-what-else requirements.

Strip out all unnecessary characters, validate what needs validating, move on with life.

<pre><code>$phone = '(868) 555-1234'; // or 868 555.1234 or +868x55-5-123-4 etc
$phone = preg_replace('/[^0-9]/', '', $phone); // 8685551234
if( substring($phone, 0, 3) == '868' ) {
 // great success
}
</code></pre>

Bonus round. Format your data for hu-man display:

<pre><code>$phone_display = sprintf('(%s) %s-%s',
 substring($phone,0,3),
 substring($phone,3,3),
 substring($phone,6,4));
</code></pre>

blocks|key|70131|text|实际上，这有点硬编码，因为您有一些特定的需求，比如验证868-000-0000，而不是868-0000000。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|70132|Regex是：|70133|(%5E$868$\+\d{3}\+\d{4})%7C(%5E868\d{7})%7C(%5E868\-\d{3}\-\d{4})%7C(%5E868\+\d{3}\-\d{4})|code-block|syntax|javascript|70134|演示|70135|entityMap|0|LINK|mutability|MUTABLE|url|https://regex101.com/r/uD6iH4/1^0|R|C|17|B|0|0|0|0|2|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|11|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|12|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|13|8|@]|D|@$9|14|A|15|1|16]]|E|$]]|$1|O|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|P|$Q|$5|R|S|T|E|$U|V]]]]

Actually this is somewhat hard-coded because you are having some specific requirements like validating <code>868-000-0000</code> but not <code>868-0000000</code>.

Regex is:

<pre><code>(^$868$\ \d{3}\ \d{4})|(^868\d{7})|(^868\-\d{3}\-\d{4})|(^868\ \d{3}\-\d{4})
</code></pre>

<a href="https://regex101.com/r/uD6iH4/1" rel="nofollow">DEMO</a>

blocks|key|221416|text|这样的判罚|type|unstyled|depth|inlineStyleRanges|entityRanges|data|221417|%5E($?868$?(\s*%7C-)\d{3}(\s%7C-)\d{4}%7C868\d{7})$|code-block|syntax|javascript|221418|验证这些|221419|8680000000
(868)+000+0000
868-000-0000
868+000-0000|221420|不验证|221421|8880000000
767-000-0000
868-0000000
(868)0000000|221422|match[1]包含数字|offset|length|style|CODE|221423|演示与正则表达式的解释|221424|entityMap|0|LINK|mutability|MUTABLE|url|https://www.regex101.com/r/mM1mI6/1^0|0|0|0|0|0|0|0|8|0|0|2|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|16|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|18|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1A|8|@$Q|1B|R|1C|S|T]]|9|@]|A|$]]|$1|U|3|V|5|6|7|1D|8|@]|9|@$Q|1E|R|1F|1|1G]]|A|$]]|$1|W|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]]]

Such regex

<pre><code>^($?868$?(\s*|-)\d{3}(\s|-)\d{4}|868\d{7})$
</code></pre>

Validate these

<pre><code>8680000000
(868) 000 0000
868-000-0000
868 000-0000
</code></pre>

Not validate

<pre><code>8880000000
767-000-0000
868-0000000
(868)0000000
</code></pre>

<code>match[1]</code> contains number

<a href="https://www.regex101.com/r/mM1mI6/1" rel="nofollow">DEMO</a> and explanation of the regex

blocks|key|70208|text|你可以用一些条件来做。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|70209|+#+%5E($)?868(?(1)$[+]\d{3}[+]\d{4}%7C(?:(?:(-)%7C([+])%7C)\d{3}(?(2)\2%7C(?(3)[+-]))\d{4}))$

+%5E+++++++++++++++++++++++++++++#+BOS
+(+$+)?+++++++++++++++++++++++#+(1),+Form+(xxx)+xxx+xxxx
+868+++++++++++++++++++++++++++#+868+Area+Code
+(?(1)+++++++++++++++++++++++++#+Need+Form+1+?
++++++$
++++++[+]+\d{3}+[+]+\d{4}+
+++%7C++++++++++++++++++++++++++++++#+else
++++++(?:
+++++++++++(?:
++++++++++++++++(+-+)+++++++++++++++++++++++++#+(2),+Form+xxx-xxx-xxxx
+++++++++++++%7C++(+[+]+)+++++++++++++++++++++++#+(3),+Form+xxx+xxx[+-]xxxx
+++++++++++++%7C++++++++++++++++++++++++++++++#+Form+xxxxxxxxxx
+++++++++++)
+++++++++++\d{3}++++++
+++++++++++(?(2)+++++++++++++++++++++++++#+Need+form+2+?
++++++++++++++++\2+
+++++++++++++%7C++++++++++++++++++++++++++++++#+else
++++++++++++++++(?(3)+[+-]+)++++++++++++++++++#+Need+form+3+?
+++++++++++)
+++++++++++\d{4}++++++
++++++)
+)
+$+++++++++++++++++++++++++++++#+EOS|code-block|syntax|javascript|70210|通过：|70211|8680000000|70212|(868)+000|70213|868-000-0000|70214|八千六万零万|70215|失败：|70216|8880000000|70217|767-000-0000|70218|868-0000000|70219|(868)0000000|70220|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|13|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|14|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|15|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|16|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|17|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|18|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|19|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1A|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1B|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1C|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|1D|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|11|$]]

You can do this with some conditionals 

<pre><code> # ^($)?868(?(1)$[ ]\d{3}[ ]\d{4}|(?:(?:(-)|([ ])|)\d{3}(?(2)\2|(?(3)[ -]))\d{4}))$

 ^ # BOS
 ( $ )? # (1), Form (xxx) xxx xxxx
 868 # 868 Area Code
 (?(1) # Need Form 1 ?
 $
 [ ] \d{3} [ ] \d{4} 
 | # else
 (?:
 (?:
 ( - ) # (2), Form xxx-xxx-xxxx
 | ( [ ] ) # (3), Form xxx xxx[ -]xxxx
 | # Form xxxxxxxxxx
 )
 \d{3} 
 (?(2) # Need form 2 ?
 \2 
 | # else
 (?(3) [ -] ) # Need form 3 ?
 )
 \d{4} 
 )
 )
 $ # EOS
</code></pre>

Passed: 

8680000000 
(868) 000 0000 
868-000-0000 
868 000-0000 

Failed: 

8880000000 
767-000-0000 
868-0000000 
(868)0000000

blocks|key|221470|text|您可以编写一个与所有格式匹配的正则表达式，但没有规则要求您必须这样做。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|221471|单独匹配每种格式可以使您的代码更加可读性：|221472|function+matchPhoneNumber($phoneNumber)+{
++++$regex+=+[
++++++++'/%5E(?P<prefix>868)(?P<first>\d{3})(?P<second>\d{4})$/',
++++++++'/%5E(?P<prefix>868)-(?P<first>\d{3})-(?P<second>\d{4})$/',
++++++++'/%5E(?P<prefix>868)\s(?P<first>\d{3})-(?P<second>\d{4})$/',
++++++++'/%5E$(?P<prefix>868)$\s(?P<first>\d{3})\s(?P<second>\d{4})$/',
++++];
++++foreach+($regex+as+$reg)+{
++++++++if+(preg_match($reg,+$phoneNumber,+$match)+===+1)+{
++++++++++++return+$match;
++++++++}
++++}
++++return+false;
}|code-block|syntax|javascript|221473|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

You could write one regular expression that matches all the formats, but there is no rule that says you have to.

Matching each format separately makes your code quite a bit more readable:

<pre><code>function matchPhoneNumber($phoneNumber) {
 $regex = [
 '/^(?P&lt;prefix&gt;868)(?P&lt;first&gt;\d{3})(?P&lt;second&gt;\d{4})$/',
 '/^(?P&lt;prefix&gt;868)-(?P&lt;first&gt;\d{3})-(?P&lt;second&gt;\d{4})$/',
 '/^(?P&lt;prefix&gt;868)\s(?P&lt;first&gt;\d{3})-(?P&lt;second&gt;\d{4})$/',
 '/^$(?P&lt;prefix&gt;868)$\s(?P&lt;first&gt;\d{3})\s(?P&lt;second&gt;\d{4})$/',
 ];
 foreach ($regex as $reg) {
 if (preg_match($reg, $phoneNumber, $match) === 1) {
 return $match;
 }
 }
 return false;
}
</code></pre>

blocks|key|1232228|text|假设PHP像awk或grep+-E一样使用ERE：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1232229|$+grep+-E+'%5E((868([0-9]{3}%7C[-+][0-9]{3}-))%7C($868$+[0-9]{3}+))[0-9]{4}$'+file
8680000000
(868)+000+0000
868-000-0000
868+000-0000|code-block|syntax|javascript|1232230|或者如果你喜欢\d而不是[0-9]|1232231|%5E((868(\d{3}%7C[-+]\d{3}-))%7C($868$+\d{3}+))\d{4}$|1232232|任何简短的内容都会与您没有指定为有效的其他电话号码格式相匹配，因此我假设它们是无效的。|1232233|entityMap^0|6|3|A|7|0|0|7|2|C|5|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|13|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|14|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|R|$]]

Assuming PHP uses EREs like <code>awk</code> or <code>grep -E</code> does:

<pre><code>$ grep -E '^((868([0-9]{3}|[- ][0-9]{3}-))|($868$ [0-9]{3} ))[0-9]{4}$' file
8680000000
(868) 000 0000
868-000-0000
868 000-0000
</code></pre>

or if you like <code>\d</code> instead of <code>[0-9]</code>:

<pre><code>^((868(\d{3}|[- ]\d{3}-))|($868$ \d{3} ))\d{4}$
</code></pre>

Anything briefer would match other phone number formats that you didn't specify as being valid and so I'm assuming are invalid.

I'm trying to create a regular expression that would validate a specific phone number with an 868 area code and particular format
h
thus I want these

<pre><code>8680000000

(868) 000 0000

868-000-0000

868 000-0000
</code></pre>

to pass validation but these

<pre><code>8880000000

767-000-0000

868-0000000

(868)0000000
</code></pre>

to fail validation.

So far I got:

<pre><code>^(($){0,1}(868){1}($){0,1})+:?((((\ |\-)(\d{3})(\ |\-)):?\d{4})+|(\d{4,7}))
</code></pre>

But 

<pre><code>(868)0000000 
</code></pre>

is validating

Regex for phone number with specific area code and format

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在尝试创建一个正则表达式，该表达式将使用868区号和特定格式h验证特定的电话号码，因此我想要这些8680000000(868) 000 0000868-000-0000868 000-0000通过验证，但这些8880000000767-000-0000868-0000000(868)0000000无法通过验证。到目...

问具有特定区号和格式的电话号码的Regex
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问具有特定区号和格式的电话号码的RegexEN