mycodes working

[M.Abbasi]

mycodes do not work sometimes in my forum. why?
e.g in I used bold tag but my text isn't bold.(view attachment please)

[Dominic]

Did you have allowed my codes in forums?

[M.Abbasi]

Yes, do not work sometimes

[Euan T]

Could you link us to a specific thread where it doesn't work? In the screenshot you posted it won't work because it's incorrectly nested.

[Dominic]

In the image the code of bold is

 [b][b] 

the correct is

[b][/b]

[M.Abbasi]

Could you link us to a specific thread where it doesn't work? In the screenshot you posted it won't work because it's incorrectly nested.

This Topic

In the image the code of bold is

 [b][b] 

the correct is

[b][/b]

it's correct, seem [b][b] because my forum is rtl

[color=#FF0000][align=center][url=http://up.iranbiologists.com/viewer.php?file=ys8th00lk0vazafq2bu.jpg][b]مشاهده عكس [/b][/url][/align][/color]

[M.Abbasi]

UP!

can not anyone help me?

please use these code:

[url=http://sadsadsad.dfdfdf][b]test[/b][/url]

[url=http://sadsadsad]test[/url]

[url=sasadsadas][color=#FF0000]test[/color][/url]

[url=asdsadsadsadasd][color=#FF0000][b]test[/b][/color][/url]

[url=asdsadsadsadada][size=large][color=#FF0000][b]test[/b][/color][/size][/url]

and this account details:
username: test user
pw: 123456

these code have 5 lines with 5 styles. but when you post them in my forum, you will see 3 lines of them with 1 style!

please help me!

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Solved
I think this plugin has an issue. I deactivate it and now I have not issue. all things are OK!
http://mods.mybb.com/view/nofollowexternal