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string->strip
string ->strip: [{leading,trailing}]
Strip all layout characters (see pce<-syntax) from the start and/or and of the string. When the argument is leading, only the layout characters at the start are removed. When trailing, the layout characters at the end are removed. Otherwise (@default) they are removed from both ends.

This method is regarded obsolete. New code should use char_array<-strip.

See also
class regex
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