Strip whitespace from a string/Top and tail: Difference between revisions
Strip whitespace from a string/Top and tail (view source)
Revision as of 21:09, 12 June 2022
, 1 year agono edit summary
m (→{{header|Phix}}: removed tab nonsense) |
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Line 946:
Right trimmed => Length = 15
Fully trimmed => Length = 12
</pre>
=={{header|FutureBasic}}==
<lang futurebasic>window 1
CFCharacterSetRef set, invSet
CFStringRef s, s1, s2, s3
NSUInteger index
CFRange range
set = fn CharacterSetWhitespaceAndNewlineSet
invSet = fn CharacterSetInvertedSet( set )
text ,,,,, 200
s = @" a string "// 5 leading spaces, 8 trailing spaces
print s, len(s)@" chars"
// left trim
index = 0
range = fn StringRangeOfCharacterFromSet( s, invSet )
if ( range.location != NSNotFound ) then index = range.location
s1 = fn StringSubstringFromIndex( s, index )
print s1, len(s1)@" chars"
// right trim
index = len(s)
range = fn StringRangeOfCharacterFromSetWithOptions( s, invSet, NSBackwardsSearch )
if ( range.location != NSNotFound ) then index = range.location + 1
s2 = fn StringSubstringToIndex( s, index )
print s2, len(s2)@" chars"
// trim
s3 = fn StringByTrimmingCharactersInSet( s, set )
print s3, len(s3)@" chars"
HandleEvents</lang
{{out}}
<pre>
a string 21 chars
a string 16 chars
a string 13 chars
a string 8 chars
</pre>
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