playservices-safetynet = "18.1.0"
robolectric = "4.16.1"
robolectric-android = "16-robolectric-13921718"
serialization = "1.10.0"
shadow-plugin = "9.4.1"
signature-android-apilevel21 = "5.0.1_r2"
signature-android-apilevel24 = "7.0_r2"
spotless-plugin = "8.4.0"
square-kotlin-poet = "2.3.0"
square-moshi = "1.15.2"
square-okio = "3.17.0"
square-retrofit = "3.0.0"
startup-runtime = "1.2.0"
testcontainers = "1.21.4"

hex_exponent      = ( "p" | "P" ) [ "+" | "-" ] decimal_digits .
</pre>

<pre>
0.
72.40
072.40       // == 72.40
2.71828
1.e+0
6.67428e-11
1E6
.25
.12345E+5
1_5.         // == 15.0
0.15e+0_2    // == 15.0

0x1p-2       // == 0.25
0x2.p10      // == 2048.0
0x1.Fp+0     // == 1.9375
0X.8p-0      // == 0.5
0X_1FFFP-16  // == 0.1249847412109375
0x15e-2      // == 0x15e - 2 (integer subtraction)