Re: String Deletion
- To: mathgroup at smc.vnet.net
- Subject: [mg121521] Re: String Deletion
- From: "Dr. Wolfgang Hintze" <weh at snafu.de>
- Date: Sun, 18 Sep 2011 04:12:12 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <j51sst$pfv$1@smc.vnet.net>
"Don" <donabc at comcast.net> schrieb im Newsbeitrag news:j51sst$pfv$1 at smc.vnet.net... > Given a simple list of strings: > > list = List["Z:XBREG","Z:XBREH","Z:XBREI","Z:ZZ6P","Z:ZZ6Q","aye"] > > how does one delete all the strings with a colon (:) anywhere in the > string? > > DeleteCases[list, ___:___] looks very logical and should work, > but of course it doesn't . > > Also, there is a StringCases function which would seem > to correspond with the Cases function. There is a > DeleteCases function but no string counterpart, namely, > DeleteString function. Any reason for this? > > Thanks in advance. > What about the following two solutions? list = List["Z:XBREG", "Z:XBREH", "Z:XBREI", "Z:ZZ6P", "Z:ZZ6Q", "aye"] {Z:XBREG, Z:XBREH, Z:XBREI, Z:ZZ6P, Z:ZZ6Q, aye} Complement[list, Select[list, StringPosition[#, ":"] != {} &]] {aye} Complement[list, Flatten[StringCases [#, _ ~~ ":" ~~ __] & /@ list]] {aye} Best regards, Wolfgang