When a token is read, it is interpreted as a number or symbol. The token is interpreted as a number if it satisfies the syntax for numbers specified in the next figure.
numeric-token ::= integer |
ratio |
float
integer ::= [sign]
decimal-digit+
decimal-point |
[sign]
digit+
ratio ::= [sign]
{digit}+
slash
{digit}+
float ::= [sign]
{decimal-digit}*
decimal-point
{decimal-digit}+
[exponent]
|
[sign]
{decimal-digit}+
[decimal-point
{decimal-digit}*]
exponent
exponent ::= exponent-marker
[sign]
{digit}+
sign---a sign.
slash---a slash
decimal-point---a dot.
exponent-marker---an exponent marker.
decimal-digit---a digit in radix 10.
digit---a digit in the current input radix.
Figure 2-9. Syntax for Numeric Tokens
2.3.1.1 Potential Numbers as TokensRetroSearch is an open source project built by @garambo | Open a GitHub Issue
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