寻找REGEX以匹配特定格式的电话号码

时间:2012-02-20 21:47:23

标签: php regex

我需要帮助编写与某些数据中的电话号码相匹配的常规表达。 Somin采用以下格式:

XXX-XXX-XXXX
XXX-XXX-XXXX Ext. XXX
XXX-XXX-XXXX Ext. XXXX
(XXX) XXX-XXXX
XXX-XXX-XXXX (Text)
XXX.XXX.XXXX

和一行专门用于此行:

XXX-XXX-XXXX (Text & Special Chars.); XXX-XXX-XXXX (Text)

我已经搜索了几个问题并尝试了一般的0-9比赛但到目前为止无济于事。我最近也试过这个来获取正常的电话号码:

preg_match_all('/^((\(\d{3}\) ?)|(\d{3}-))?\d{3}-\d{4}$/', $a3, $n);

print_r($n);


 有人能告诉我正确的方法吗?感谢

1 个答案:

答案 0 :(得分:2)

此模式将与您在任何文本中提供的示例相匹配。

((?:\d{3}[.-]|\(\d{3}\)\s+)\d{3}[.-]\d{4})(?:\s+Ext\.\s+(\d+)|\s+\(.*?\))?

如果您可以提供一些样本数据或更详细地解释主题的样子,那么该模式可能会得到改善。例如,所有数字是否在单独的行上(如您的模式所示)或者它们是文本的一部分吗?


示例脚本和解释的模式:

$string = <<<EOT
123-456-7890

    123-456-7890 Ext. 321
123-456-7890 Ext. 4321
(123) 456-7890
lorem ipsum
123-456-7890 (Text)
123.456.7890
foo bar baz
EOT;

//preg_match_all("/((?:\d{3}[.-]|\(\d{3}\)\s+)\d{3}[.-]\d{4})(?:\s+Ext\.\s+(\d+)|\s+\(.*?\))?/i", $string, $matches);
preg_match_all("/
               (                        # open capturing group to hold the phone number
                   (?:                  # open non-capturing group
                       \d{3}[.-]        # match 3 digits followed by a . or -
                       |                # OR, if the previous part of this group did not match
                       \(\d{3}\)\s+     # match 3 digits between parentheses folowed by one or more spaces
                   )                    # close non-capturing group
                   \d{3}[.-]            # match 3 digits followed by a . or -
                   \d{4}                # match 4 digits
               )                        # close capturing group
               (?:                      # open non-capturing group
                   \s+Ext\.\s+          # one or more spaces followed by Ext. followed by one or more spaces
                   (                    # open capturing group to hold the extension number
                       \d+              # match one or more digits
                   )                    # close capturing group
                   |                    # OR, if the previous part of this non-capturing group did not match
                   \s+\(.*?\)           # one or more spaces and then anything, except newline, between (the smallest) pair of parentheses
               )?                       # close non-capturing group, the ? makes the whole non-capturing group optional
               /ix", $string, $matches);# the i flag makes the matches case insensitive and x allows for the comments and spacing

echo "<pre>\n";
print_r($matches);

输出:

Array
(
    [0] => Array
        (
            [0] => 123-456-7890
            [1] => 123-456-7890 Ext. 321
            [2] => 123-456-7890 Ext. 4321
            [3] => (123) 456-7890
            [4] => 123-456-7890 (Text)
            [5] => 123.456.7890
        )

    [1] => Array
        (
            [0] => 123-456-7890
            [1] => 123-456-7890
            [2] => 123-456-7890
            [3] => (123) 456-7890
            [4] => 123-456-7890
            [5] => 123.456.7890
        )

    [2] => Array
        (
            [0] => 
            [1] => 321
            [2] => 4321
            [3] => 
            [4] => 
            [5] => 
        )

)

而对于另一行,上面的模式也会匹配那个,但如果你确实需要它,那么

$string = "123-456-7890 (Text & Special Chars.); 123-456-7890 (Text)";

preg_match_all("/(\d{3}[.-]\d{3}[.-]\d{4})\s+\(.*\);\s+(\d{3}[.-]\d{3}[.-]\d{4})\s+\(.*?\)/i", $string, $matches);

echo "<pre>\n";
print_r($matches);

输出:

Array
(
    [0] => Array
        (
            [0] => 123-456-7890 (Text & Special Chars.); 123-456-7890 (Text)
        )

    [1] => Array
        (
            [0] => 123-456-7890
        )

    [2] => Array
        (
            [0] => 123-456-7890
        )

)