Java 手机号码正则表达式验证

2/10/2017来源:ASP.NET技巧人气:1185

1.正则表达式的字符串表示 String mobileRegex = "^1(3|4|5|7|8)\\d{9}$"; 字符^意义:表示匹配的字符必须在最前边; 字符$意义:表示待匹配串的结束位置; 字符\d{5,9}意义:\d是数字,{5,9}是5-9位,如果只是验证手机号,且校验的正则表达式如下: /^1[3|5|8][0-9]\d{4,8}$/ ; 不妨写成 /^1[3|5|8]\d{9}$/ ; 2.对手机号字符串的校验 String mobileRegex = "^1(3|4|5|7|8)\\d{9}$"; if (csPRop.matches(mobileRegex)){     *******; }else {     *******; } 注: String.java /**      * Tells whether or not this string matches the given <a      * href="../util/regex/Pattern.html#sum">regular expression</a>.      *      * <p> An invocation of this method of the form      * <i>str</i><tt>.matches(</tt><i>regex</i><tt>)</tt> yields exactly the      * same result as the expression      *      * <blockquote><tt> {@link java.util.regex.Pattern}.{@link      * java.util.regex.Pattern#matches(String,CharSequence)      * matches}(</tt><i>regex</i><tt>,</tt> <i>str</i><tt>)</tt></blockquote>      *      * @param   regex      *          the regular expression to which this string is to be matched      *      * @return  <tt>true</tt> if, and only if, this string matches the      *          given regular expression      *      * @throws  PatternSyntaxException      *          if the regular expression's syntax is invalid      *      * @see java.util.regex.Pattern      *      * @since 1.4      * @spec JSR-51      */     public boolean matches(String regex) {         return Pattern.matches(regex, this);     }      Pattern.java /**      * Compiles the given regular expression and attempts to match the given      * input against it.      *      * <p> An invocation of this convenience method of the form      *      * <blockquote><pre>      * Pattern.matches(regex, input);</pre></blockquote>      *      * behaves in exactly the same way as the expression      *      * <blockquote><pre>      * Pattern.compile(regex).matcher(input).matches()</pre></blockquote>      *      * <p> If a pattern is to be used multiple times, compiling it once and reusing      * it will be more efficient than invoking this method each time.  </p>      *      * @param  regex      *         The expression to be compiled      *      * @param  input      *         The character sequence to be matched      *      * @throws  PatternSyntaxException      *          If the expression's syntax is invalid      */     public static boolean matches(String regex, CharSequence input) {         Pattern p = Pattern.compile(regex);         Matcher m = p.matcher(input);         return m.matches();     }