JavaScript
var str = "'o/' => 'π',\
'</3' => 'π',\
'<3' => 'π',\
'8-D' => 'π',\
'8D' => 'π',\
':-D' => 'π',\
'=-3' => 'π',\
'=-D' => 'π',\
'=3' => 'π',\
'=D' => 'π',\
'B^D' => 'π',\
'X-D' => 'π',\
'XD' => 'π',\
'x-D' => 'π',\
'xD' => 'π',\
':\')' => 'π',\
':\'-)' => 'π',\
':-))' => 'π',\
'8)' => 'π',\
':)' => 'π',\
':-)' => 'π',\
':3' => 'π',\
':D' => 'π',\
':]' => 'π',\
':^)' => 'π',\
':c)' => 'π',\
':o)' => 'π',\
':}' => 'π',\
':γ£)' => 'π',\
'=)' => 'π',\
'=]' => 'π',\
'0:)' => 'π',\
'0:-)' => 'π',\
'0:-3' => 'π',\
'0:3' => 'π',\
'0;^)' => 'π',\
'O:-)' => 'π',\
'3:)' => 'π',\
'3:-)' => 'π',\
'}:)' => 'π',\
'}:-)' => 'π',\
'*)' => 'π',\
'*-)' => 'π',\
':-,' => 'π',\
';)' => 'π',\
';-)' => 'π',\
';-]' => 'π',\
';D' => 'π',\
';]' => 'π',\
';^)' => 'π',\
':-|' => 'π',\
':|' => 'π',\
':(' => 'π',\
':-(' => 'π',\
':-<' => 'π',\
':-[' => 'π',\
':-c' => 'π',\
':<' => 'π',\
':[' => 'π',\
':c' => 'π',\
':{' => 'π',\
':γ£C' => 'π',\
'%)' => 'π',\
'%-)' => 'π',\
':-P' => 'π',\
':-b' => 'π',\
':-p' => 'π',\
':-Γ' => 'π',\
':-ΓΎ' => 'π',\
':P' => 'π',\
':b' => 'π',\
':p' => 'π',\
':Γ' => 'π',\
':ΓΎ' => 'π',\
';(' => 'π',\
'=p' => 'π',\
'X-P' => 'π',\
'XP' => 'π',\
'd:' => 'π',\
'x-p' => 'π',\
'xp' => 'π',\
':-||' => 'π ',\
':@' => 'π ',\
':-.' => 'π‘',\
':-/' => 'π‘',\
':/' => 'π‘',\
':L' => 'π‘',\
':S' => 'π‘',\
':\\' => 'π‘',\
'=/' => 'π‘',\
'=L' ...