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[Gintaras]

Function IsNumeric

Code:

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;/
function! $s [flags] ;;flags: 1 full

;Returns 1 if s begins with a number. Returns 0 if not.
;Before the number can be spaces and - or +.
;The number can be decimal (like 567), hexadecimal (like 0x567) or double (like 1.45 or 5E8).

;s - string.
;flags:
;;;1 - return 0 if the string begins with a number but contains text after it.

;EXAMPLE
;str s="10"
;if IsNumeric(s)
,;out "Numeric"
;else
,;out "Text"


val s 2 _i
if(!_i) ret
if(flags&1) if(s[_i]) ret
ret 1