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Regex Help

All that regular expression stuff you were never able to figure out.

4,009 topics in this forum

  1. Why does one replace work and the other not?

    By mac_gabe,
    • 6 replies
    • 1.5k views

  2. Why does this matching fail?

    By vijdev,
    • 11 replies
    • 1.4k views

  3. Why doesn't this match work?

    By Perad,
    • 3 replies
    • 955 views

  4. Why is this regex failing?

    By terungwa,
    • 1 reply
    • 3.3k views

  5. Why isn't this Regex capturing everything between the <body> tags?

    By MySQL_Narb,
    • 4 replies
    • 2.3k views

  6. Why isn't this regex working?

    By haku,
    • 2 replies
    • 1k views

  7. why isn't this working?

    By tadakan,
    • 2 replies
    • 800 views

  8. Why one backslash is changed into two?

    By a123123,
    • 2 replies
    • 1k views

  9. Why this exp is still greedy?

    By BlueNosE,
    • 3 replies
    • 1.7k views

  10. Why this reg exp for mobile number does not work?

    By mostafatalebi,
    • 4 replies
    • 1.5k views

  11. Why value returned in preg_replace_callback is string ?

    By petrogromovo,
    • 1 reply
    • 965 views

  12. Why wont my regex match?

    By sKunKbad,
    • 2 replies
    • 1.1k views

  13. Why wont this replace??

    By gaza165,
    • 1 reply
    • 1.1k views

  14. Wikipedia-style template parsing

    By Grayda,
    • 2 replies
    • 1.8k views

  15. wildcard in switch/case?

    By jaykup,
    • 5 replies
    • 12.7k views

  16. Word between tabs

    By Satanas,
    • 12 replies
    • 3.7k views

  17. word extraction script

    By jokerbla,
    • 2 replies
    • 1.1k views

  18. workaround for variable length lookbehind in preg_match

    By TOgakangaroo,
    • 1 reply
    • 1.7k views

  19. Working out preg_match

    By rockinaway,
    • 5 replies
    • 1.6k views

  20. working with phone numbers

    By CincoPistolero,
    • 8 replies
    • 1.4k views

  21. Would this match letters only no matter case?

    By aeroswat,
    • 2 replies
    • 1.1k views

  22. Wrapping paragraph tags around text

    By jordanwb,
    • 6 replies
    • 1.6k views

  23. Write out mach?

    By kla0005,
    • 2 replies
    • 1k views

  24. Writing a regex for "Not X"

    By Buyocat,
    • 7 replies
    • 2k views

  25. Wrong regex ?

    By Nuv,
    • 2 replies
    • 873 views
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