Modern String IsBlank

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IsBlank

Returns true if the string is empty or holds only whitespace.

Syntax

IsBlank( s )

Notes

• O(n) — boolean

Examples

#import "std/strings"
using strings

print IsBlank( "" )                    '' true
print IsBlank( "   " & chr(9) )        '' true -- space, tab, LF, VT, FF, CR
print IsBlank( " x " )                 '' false

'' Skipping empty configuration lines
dim as ustring line_ = "   "
if IsBlank( line_ ) then print "nothing to parse"

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Library: String Library
Category: String Library
Documented under: The Functions