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(); }
