Created
March 24, 2011 05:03
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正規表現による入力値検証
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// 1文字以上30文字以下の「制御文字以外の」文字列を判別する正規表現 | |
private static final String REGEX_ADDRESS2 = "\\P{Cc}{1,30}"; |
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import java.util.regex.Matcher; | |
import java.util.regex.Pattern; | |
public class RegexpSample { | |
/** 英数字の1文字以上5文字以下 */ | |
private static final String REGEX = "[0-9a-z]{1,5}"; | |
/** | |
* 正規表現を満たすかどうかの判定メソッド | |
* @param str 判定対象となる文字列 | |
* @param regex 正規表現パターン | |
* @return | |
*/ | |
private static boolean isMatchRegexp(String str, String regex){ | |
//大文字・小文字を区別しない | |
Pattern p = Pattern.compile(regex, Pattern.CASE_INSENSITIVE); | |
Matcher m = p.matcher(str); | |
return m.matches(); | |
} | |
/** | |
* 動作確認 | |
*/ | |
public static void main(String[] args) { | |
String s1 = "abcD"; | |
String s2 = "125Za"; | |
String s3 = "aaaaaa"; | |
String s4 = "#abc"; | |
System.out.println("s1 : " + isMatchRegexp(s1, REGEX)); | |
System.out.println("s2 : " + isMatchRegexp(s2, REGEX)); | |
System.out.println("s3 : " + isMatchRegexp(s3, REGEX)); | |
System.out.println("s4 : " + isMatchRegexp(s4, REGEX)); | |
} | |
} |
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