If you leave in spaces and standard punctuation (,.'), you get:
:
i*_can_hear_you,_j*ust._it's_fait,_but_i_ca_h**_you.
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(standard spaces replaced with _ since vbulletin doesn’t like double-spacing)
Note the extra asterisks, which look like spaces in plaintext but find and replace doesn’t recognize them as a standard space.