Finding (regex?) 10 digits in a row (PHP)

Question

I am facing a problem i am not capable to solve. I have a string consisting of not needed text and 10 digit numbers who always start with "2" or "6". I need to get those in 10digit numbers into an array. I thought of regex and found this article Regular Expression for matching a numeric sequence? which is pretty close to what i need (except the descending/ascending thing) yet, as i could never and will NEVER be able to understand regex, i cant modify to my needs. If anyone could help me out here i would highly appreciate it!

Here is a sample of my string:

".........693 7098469 - ZQH X Bop. Hrtepou 50 flerpoUrroXn ........210 5014166 - 0E000PA E KapaoAn Anpn-rPou 21
EAArivtg .....................................................210 9618677 - MAPIA KapaoAri Arpn-rptou 21 Elanvolo .. 210 9643623 - MAPIA E ...................................................... 210 9643887 - MAPIA 0 loucrrivou 8 HX.toOrran ..............210 9914534 AIPITAKHE APTEMIOE n Avrtnopou 22
Reptcrrept ....._.........._......._................697 7440896 , -10AN."

Thank you very much in advance! Greetings from Greece!

Thanks for the edit... i couldnt get the damn code block in there! :-) — Jim Bantanis-Kapirnas
– Jim Bantanis-Kapirnas, Commented Jan 6, 2014 at 10:10
Okay.. what have you tried? Show us what you've attempted and why it didn't work. — Daedalus
– Daedalus, Commented Jan 6, 2014 at 10:10
@anubhava, All the numbers like 693 7098469 , 210 5014166 , etc.. the numbers that start with 2 or 6. — Shankar Narayana Damodaran
– Shankar Narayana Damodaran, Commented Jan 6, 2014 at 10:13
You CAN do this reg exp. It's almost simpler than logging into your OS... "I can't do regex" sounds like an excuse to have others do your work. — Draugr
– Draugr, Commented Jan 6, 2014 at 10:20

revo · Accepted Answer · 2014-01-06 10:21:15Z

4

As I see your string your digits have an space between, and if you want strictly make your selections this is the regex:

[62]\d{2}\s*\d{7}

Explanation:

[62]    # Start with 6 or 2
\d{2}   # 2 more digits
\s*     # any number of white spaces
\d{7}   # 7 more digits

Live demo

and PHP code which has preg_match_all to match all occurrences of those strings:

preg_match_all("/[62]\d{2}\s*\d{7}/", $text, $matches);

Output:

Array
(
    [0] => 693 7098469
    [1] => 210 5014166
    [2] => 210 9618677
    [3] => 210 9643623
    [4] => 210 9643887
    [5] => 210 9914534
    [6] => 697 7440896
)

PHP live demo

edited Jan 6, 2014 at 10:21

answered Jan 6, 2014 at 10:14

revo

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2 Comments

Jim Bantanis-Kapirnas Over a year ago

Thank you very much for the explanation! I really think regex will be my nemesis for ever....

revo Over a year ago

@JimBadanis-Kapirnas Beside its regular name - Regular Expressions - it's so nasty!

Lajos Veres · Accepted Answer · 2014-01-06 10:14:32Z

Maybe like this:

<?php
$x=
".........693 7098469 - ZQH X Bop. Hrtepou 50 flerpoUrroXn ........210 5014166 - 0E000PA E KapaoAn Anpn-rPou 21     EAArivtg  ....................................................210 9618677 - MAPIA KapaoAri Arpn-rptou 21 Elanvolo .. 210 9643623 - MAPIA E ...................................................... 210 9643887 - MAPIA 0 loucrrivou 8 HX.toOrran ..............210 9914534 AIPITAKHE APTEMIOE n Avrtnopou 22
Reptcrrept ....._.........._......._................697 7440896 , -10AN.";
$x=str_replace(' ','',$x);
preg_match_all('/((2|6)\d{9})/',$x,$matches);
print_r($matches[0]);

And the result:

Array
(
    [0] => 6937098469
    [1] => 2105014166
    [2] => 2109618677
    [3] => 2109643623
    [4] => 2109643887
    [5] => 2109914534
    [6] => 6977440896
)

Droa · Accepted Answer · 2014-01-06 12:10:36Z

2

there is a pretty cool page, that visualize the regex code for better understading: https://www.debuggex.com/

this should work

((?:2|6)[0-9]{2} [0-9]{7})

Regular expression visualization

edited Jan 6, 2014 at 12:10

answered Jan 6, 2014 at 10:18

Droa

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