Forum Discussion
Robert_47833
Aug 30, 2011Altostratus
question mark ? and wildcard *
Variable ? and *
what does they respresent?
- hooleylistCirrostratusHi Jucao,
http://www.tcl.tk/man/tcl8.4/TclCmd/string.htmM35 * Matches any sequence of characters in string, including a null string. ? Matches any single character in string. [chars] Matches any character in the set given by chars. If a sequence of the form x-y appears in chars, then any character between x and y, inclusive, will match. When used with -nocase, the end points of the range are converted to lower case first. Whereas {[A-z]} matches '_' when matching case-sensitively ('_' falls between the 'Z' and 'a'), with -nocase this is considered like {[A-Za-z]} (and probably what was meant in the first place). \x Matches the single character x. This provides a way of avoiding the special interpretation of the characters *?[]\ in pattern.
- Robert_47833Altostratusthanks very much
- Robert_47833AltostratusHi,Aaron
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