test.ini

;comment
#comment
 ;comment
	;comment
key01=1234
key01=6789
key02=TEST
key03:1234
key04 : TEST
key05=1234 ; not a comment
100=100
 k e y = T E S T 
	k	e	y	=	T	E	S	T	
\key=KEY

[integer]
key01=0
key02=1234
key03=+1234
key04=-1234

; [integer]
key01=9999
intmax=2147483647
intmax+=2147483648
intmin=-2147483648
intmin-=-2147483649
uintmax=4294967295
uintmax+=4294967296
longmax=9223372036854775807
longmax+=9223372036854775808
longmin=9223372036854775808
longmin-=9223372036854775809
ulongmax=18446744073709551615
ulongmax+=18446744073709551616

[float]
key01=0.0
key02=0.5
key03=5.
key04=12.34
key05=-0.125
key06=12.3456e2
key07=12.3456e+2
key08=12.3456e-2

[float]
floatmax=3.40282e+38
floatmax+=3.40283e+38
floatmin=-3.40282e+38
floatmin-=-3.40283e+38
doublemax=1.79769e+308
doublemax+=1.79770e+308
doublemin=-1.79769e+308
doublemin-=-1.79770e+308

[string]
key01
key02=
key03==
key04=TEST
key05="""
key06=""""
key07="TEST"
key08=""TEST""
key09="TEST" TEST
key10="AA,BB,CC;DD,EE,FF,あ,い,う"
key11='TEST'
key12=''TEST''
key13='TEST' TEST
key14='AA,BB,CC;DD,EE,FF,あ,い,う'
key15=\t\r\n
key16="\"\""\n

[array]
key01=1,2,3
key02=1,
key03=,
key04=,,
key05=1.23,-0.125,12.3456e2
key06=A, BB, "CCC,DDDD", EEEEE
key07=AA,"BB" , "C"C"C , C " , "D, E E"E , F
key08=AA,'BB" , "B"B"B , B ' , "C, C C'C'","D','F'

;error
[]
[invalid
=