All characters apart from the special character (~ in this case) gets replaced. Please tell me how to do the opposite of the above regex.
正则表达式 Regex Java 案例 实用案例 查找中文:[^\x00-\xff] 去除多余空行,两个段落之间仅保留一个空行:多次将\n\n替换为\n MarkDown 格式的换行: 要求:两个中文段落中间如果没有空行,则加空行;英文段落因为都是代码,所以不加 将([^\x00-\xff]\n)([^\x00-\xff])替换为$1\n$2 ...
Query strings (Blah=1&Name=Bob) often need to be escaped as well. If the query string contains special characters, it will need to be "URL encoded". (See the javadoc for theURLEncoderclass for further information.) This will ensure the query string conforms with valid HTTP. There's ofte...
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Pattern.LITERAL- Special characters in the pattern will not have any special meaning and will be treated as ordinary characters when performing a search. Pattern.UNICODE_CASE- Use it together with theCASE_INSENSITIVEflag to also ignore the case of letters outside of the English alphabet ...
compile(regex).matcher(this).replaceAll(replacement); } /** * 用指定的文字替换序列替换与文字目标序列匹配的字符串的每个子字符串。替换从字符串的开始到结束,例如,将字符串“aaa”中的“aa”替换为“b”将导致“ba”而不是“ab”。 * @since 1.5 */ public String replace(CharSequence target, Char...
signs ($) in the replacement string may cause the results to be different than if it were being treated as a literal replacement string; seejava.util.regex.Matcher#replaceAll Matcher.replaceAll. Usejava.util.regex.Matcher#quoteReplacementto suppress the special meaning of these characters, if ...
The following replaces all instances of multiple spaces with a single space:str = str.replaceAll(" {2,}", " "); We'll see in the next section that we should be careful about passing "raw" strings as the second paramter, since certain characters in this string actually have special ...
Implements a terminal append-and-replace step. This method reads characters from the input sequence, starting at the append position, and appends them to the given string buffer. It is intended to be invoked after one or more invocations of theappendReplacementmethod in order to copy the remaind...
false if the string has special chars isNumericOnly public static boolean isNumericOnly(java.lang.String iString) Test for a string with only numeric characters. ( c >= '0' && c <= '9' ) Parameters: iString- The String being checked ...