{"id":908,"date":"2019-02-22T23:53:00","date_gmt":"2019-02-22T14:53:00","guid":{"rendered":"http:\/\/141.164.34.82\/?p=908"},"modified":"2022-02-03T17:26:35","modified_gmt":"2022-02-03T08:26:35","slug":"application-of-regex","status":"publish","type":"post","link":"http:\/\/ds.sumeun.org\/?p=908","title":{"rendered":"Application of RegEx"},"content":{"rendered":"<h1>\uc815\uaddc\ud45c\ud604\uc2dd \uc751\uc6a9: \uc77c\uc815\ud55c \ud615\uc2dd \uc18d \ubaa8\ub4e0 \uc22b\uc790\uc5d0 2 \ub354\ud558\uae30<\/h1>\n<p>\ub2e4\uc74c\uc758 \ud14d\uc2a4\ud2b8\uc5d0\uc11c \ubaa8\ub4e0 \uc22b\uc790\uc5d0 +2\ub97c \ud558\uace0 \uc2f6\ub2e4\uba74?<\/p>\n<pre>3,5-8,9,10,11-14,15-18,31-34,59-62,79-82,93-96,99-102,111-114,129-132,167-170,185-188,201-204,215-218,221-224,227-230,283-286,287-290,293-296\r\n<\/pre>\n<p>\uc704\uc758 \uc22b\uc790\ub294 \ud398\uc774\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ucc29\uc624\uac00 \uc0dd\uaca8\uc11c \ubaa8\ub4e0 \ud398\uc774\uc9c0\uc5d0 2\ub97c \ub354\ud574\uc57c \ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/p>\n<p>\uc81c\uac00 \uc0dd\uac01\ud574\ub0b8 \ud574\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"r\">txtpages &lt;- \"3,5-8,9,10,11-14,15-18,31-34,59-62,79-82,93-96,99-102,111-114,129-132,167-170,185-188,201-204,215-218,221-224,227-230,283-286,287-290,293-296\"\r\nlibrary(stringr)\r\npage &lt;- unlist(str_extract_all(txtpages, \"\\\\d+\"))\r\npage &lt;- as.numeric(page)\r\npage &lt;- page + 2\r\n\r\nsformat &lt;- str_replace_all(txtpages, \"\\\\d+\", \"%d\")\r\n\r\narg &lt;- append(list(sformat), as.list(page))\r\ndo.call(sprintf, arg)\r\n<\/code><\/pre>\n<pre>## [1] \"5,7-10,11,12,13-16,17-20,33-36,61-64,81-84,95-98,101-104,113-116,131-134,169-172,187-190,203-206,217-220,223-226,229-232,285-288,289-292,295-298\"\r\n<\/pre>\n<p>\uc22b\uc790\ub97c \uc5bb\uc5b4\ub0b4\ub294 \uac83\uc740 \uc5b4\ub835\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc815\uaddc\ud45c\ud604\uc2dd <code>\"\\\\d+\"<\/code>\ub97c \uc0ac\uc6a9\ud558\uba74 \ub418\uc8e0. \ub2e8\uc9c0 \uc22b\uc790\uac00 1\uac1c \uc774\uc0c1 \uc5f0\uc18d\ub41c \ubd80\ubd84\uc744 \ucc3e\uc544\ub0b4\uba74 \ub429\ub2c8\ub2e4. \ubb38\uc81c\ub294 \uc5b4\ub5bb\uac8c \uac01 \ud398\uc774\uc9c0\ub97c \ub354\ud558\uae30 2\ub97c \ud55c \ud6c4\uc5d0 \ub3d9\uc77c\ud55c \ud615\uc2dd \uc18d\uc5d0 \ub123\ub290\ub0d0\ub294 \uac83\uc774\uc8e0.<\/p>\n<p>\ub3d9\uc77c\ud55c \ud615\uc2dd \uc18d\uc5d0 \uc22b\uc790\ub97c \ubc30\uce58\ud558\ub294 \uac83\uc740 <code>spritnf()<\/code> \ud568\uc218\ub97c \ud65c\uc6a9\ud588\uc2b5\ub2c8\ub2e4. <code>sprintf()<\/code> \ud568\uc218\uc758 \ud3ec\ub9f7(\ud615\uc2dd) \ubb38\uc790\uc5f4\uc18d\uc5d0 \uc22b\uc790\uac00 \uc704\uce58\ud560 \uc7a5\uc18c\ub97c \uc54c\ub824\uc8fc\uba74 \ub429\ub2c8\ub2e4. <code>\"%d\"<\/code>\uac00 \uadf8 \uc5ed\ud560\uc744 \ud558\uc8e0.<\/p>\n<pre><code class=\"r\">sformat &lt;- str_replace_all(txtpages, \"\\\\d+\", \"%d\")\r\n<\/code><\/pre>\n<p>\uc704\uc758 \ucf54\ub4dc\ub97c \uc2e4\ud589\ud55c \uacb0\uacfc <code>sformat<\/code>\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"r\">sformat\r\n<\/code><\/pre>\n<pre>## [1] \"%d,%d-%d,%d,%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d,%d-%d\"\r\n<\/pre>\n<p>\uc22b\uc790\uac00 \uc704\uce58\ud560 \uc7a5\uc18c\ub97c <code>%d<\/code>\ub85c \ud45c\ud604\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c <code>sprintf()<\/code>\ud568\uc218\ub294 <code>sprintf(fmt, ...)<\/code>\uc73c\ub85c <code>%d<\/code>\uc5d0 \ub300\uc751\ud558\ub294 \uc218 \ud558\ub098\ub97c \uc778\uc790 \ud558\ub098\ub85c \ubc1b\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc218\uce58 \ubca1\ud130 <code>page<\/code>\ub97c \ub9ac\uc2a4\ud2b8\ub85c \ub9cc\ub4e4\uace0, <code>sformat<\/code>\uc744 \ud568\uaed8 \ubb36\uc5b4 \ubaa8\ub4e0 \uc778\uc790\ub97c \ub9ac\uc2a4\ud2b8\ub97c \ub9cc\ub4e4\uc5b4\uc11c <code>do.call()<\/code>\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><code>do.call()<\/code>\uc740 \uc778\uc790\ub97c \ubaa8\ub450 \ub9ac\uc2a4\ud2b8\ub85c \ubc1b\uc544 \ud568\uc218\uc5d0 \uc801\uc6a9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 <code>print(a,b,c)<\/code>\ub294 <code>do.call(print, list(a,b,c))<\/code>\uac00 \ub418\ub294 \uac83\uc774\uc8e0.<\/p>\n<p><code>append()<\/code>\ub294 \ub450 \ub9ac\uc2a4\ud2b8\ub97c \ud569\uce58\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc0ac\uc2e4 <code>c()<\/code>\ub97c \uc368\ub3c4 \ub429\ub2c8\ub2e4. \ucc45\uc758 CRUD\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc815\uaddc\ud45c\ud604\uc2dd \uc751\uc6a9: \uc77c\uc815\ud55c \ud615\uc2dd \uc18d \ubaa8\ub4e0 \uc22b\uc790\uc5d0 2 \ub354\ud558\uae30 \ub2e4\uc74c\uc758 \ud14d\uc2a4\ud2b8\uc5d0\uc11c \ubaa8\ub4e0 \uc22b\uc790\uc5d0 +2\ub97c \ud558\uace0 \uc2f6\ub2e4\uba74? 3,5-8,9,10,11-14,15-18,31-34,59-62,79-82,93-96,99-102,111-114,129-132,167-170,185-188,201-204,215-218,221-224,227-230,283-286,287-290,293-296 \uc704\uc758 \uc22b\uc790\ub294 \ud398\uc774\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ucc29\uc624\uac00 \uc0dd\uaca8\uc11c \ubaa8\ub4e0 \ud398\uc774\uc9c0\uc5d0 2\ub97c \ub354\ud574\uc57c \ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694? \uc81c\uac00 \uc0dd\uac01\ud574\ub0b8 \ud574\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. txtpages &lt;- &#8220;3,5-8,9,10,11-14,15-18,31-34,59-62,79-82,93-96,99-102,111-114,129-132,167-170,185-188,201-204,215-218,221-224,227-230,283-286,287-290,293-296&#8221; library(stringr) page &lt;- unlist(str_extract_all(txtpages, &#8220;\\\\d+&#8221;)) page &lt;- as.numeric(page) page &lt;- page + 2 sformat &lt;- [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2464,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[159,79],"tags":[161,160],"jetpack_featured_media_url":"http:\/\/ds.sumeun.org\/wp-content\/uploads\/2019\/02\/seashells-gc544f7019_640.jpg","_links":{"self":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/908"}],"collection":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=908"}],"version-history":[{"count":2,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/908\/revisions"}],"predecessor-version":[{"id":2465,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/908\/revisions\/2465"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/media\/2464"}],"wp:attachment":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=908"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}