開発環境
- OS X Lion - Apple(OS)
- TextWrangler(Text Editor) (BBEditの機能制限無料版、light版)
- Script言語:Perl
『初めてのPerl 第6版』(Randal L. Schwartz, Tom Phoenix, brian d foy 共著、近藤 嘉雪 訳、オライリー・ジャパン、2012年、ISBN978-4-87311-567-2) の8章(正規表現によるマッチ)、8.10(練習問題)2を解いてみる。
その他参考書籍
2.
コード(TextWrangler)
sample.pl
#!/usr/bin/env perl use strict; use warnings; use utf8; use 5.016; binmode STDIN, ':utf8'; binmode STDOUT, ':utf8'; while(<>){ chomp; if(/a\b/){ print "Matched: |$`|<$&>$'|\n"; } else { print "No match: |$_|\n"; } }
入出力結果(Terminal)
$ ./sample.pl test.txt No match: |A| Matched: ||<a>| Matched: ||<kamimura>'s blog| Matched: |http://|<sitekamimura>.blogspot.com| No match: |KMI| Matched: |http://www.|<mkamimura>.com | No match: |Fred| No match: |FRED| No match: |fred| No match: |frederick| No match: |Alfred| No match: |fred flintstone| No match: |Mr. Slate | No match: |Mississippi| No match: |Bamm-Bamm | Matched: ||<wilama>| No match: |barney| Matched: ||<wilma> and fred| Matched: |fred and |<wilma>| Matched: ||<Wilma> and Fred | Matched: |Fred and |<Wilma>| Matched: ||<wilma>&fred| Matched: |Mrs. |<Wilma> Flintstone | Matched: |I saw |<Wilma> yesterday| Matched: |I, |<Wilma>!| No match: |Z| Matched: ||<llama>| $ cat test.txt A a kamimura's blog http://sitekamimura.blogspot.com KMI http://www.mkamimura.com Fred FRED fred frederick Alfred fred flintstone Mr. Slate Mississippi Bamm-Bamm wilama barney wilma and fred fred and wilma Wilma and Fred Fred and Wilma wilma&fred Mrs. Wilma Flintstone I saw Wilma yesterday I, Wilma! Z llama $
ちなみにJavaScriptの場合。
コード(TextWrangler)
var result = ""; var str = "A\na\nkamimura's blog\nhttp://sitekamimura.blogspot.com\nKMI\nhttp://www.mkamimura.com \nFred\nFRED\nfred\nfrederick\nAlfred\nfred flintstone\nMr. Slate \nMississippi\nBamm-Bamm \nwilama\nbarney\nwilma and fred\nfred and wilma\nWilma and Fred \nFred and Wilma\nwilma&fred\nMrs. Wilma Flintstone \nI saw Wilma yesterday\nI, Wilma!\nZ\nllama\n"; var lines = str.split("\n"); for(var i = 0; i < lines.length; i++){ if(/a\b/.test(lines[i])) result += lines[i] + "\n"; } $('#pre0').text(result);
pythonの場合。
sample.py
コード(TextWrangler)
#!/usr/bin/env python3.3 #-*- coding:utf-8 -*- import sys, re for line in open(sys.argv[1]): if re.search(r"a\b", line): print(line, end="")
入出力結果(Terminal)
$ ./sample.py test.txt a kamimura's blog http://sitekamimura.blogspot.com http://www.mkamimura.com wilama wilma and fred fred and wilma Wilma and Fred Fred and Wilma wilma&fred Mrs. Wilma Flintstone I saw Wilma yesterday I, Wilma! llama $
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