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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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15
Task/Determine-if-a-string-is-numeric/FutureBasic/determine-if-a-string-is-numeric.basic Normal file
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include "NSLog.incl"
local fn StringIsNumeric( string as CFStringRef ) as BOOL
BOOL flag = NO
ScannerRef scanner = fn ScannerWithString( string )
if ( fn ScannerScanFloat( scanner, NULL ) )
flag = fn ScannerIsAtEnd( scanner )
end if
end fn = flag
NSLog(@"%d",fn StringIsNumeric( @"1.23" ))
NSLog(@"%d",fn StringIsNumeric( @"-123.4e5" ))
NSLog(@"%d",fn StringIsNumeric( @"alpha" ))
HandleEvents