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@ 2015-09-16T07:04:52Z

<?php
$pattern = '/
(?x)                                    # free-spacing modifier
^                                       # start of the line
[[:space:][:punct:]]*                   # ignore any leading trash
(?P<street>[[:alpha:][:space:]]+[[:alpha:]])        # street name (any letter from any language)
[[:space:][:punct:]]*                   # separator
(?P<house>                              # house group
  [[:digit:]]                               # must start with the digit
  [[:digit:][:alpha:][:space:][:punct:]]*         # any continue with digit, letter, space or punctuation (if necessary)
)
[[:space:][:punct:]]*                   # ignore any trailing trash (not working)
$                                       # end of the line
/u';

$sample = 'Potsdamer Strae 124-126';
echo (int)preg_match( $pattern, $sample, $matches).PHP_EOL;
print_r($matches);

Output for git.master, git.master_jit, rfc.property-hooks: 0 Array ( )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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