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EditPlus中使用正则表达式去除多余空行的方法

来自:种豆 时间:2017-12-29 阅读:495次 原文链接

EditPlus中可以通过以下方法轻松删除多余的空行

去掉所有的空行
搜索内容:\n\n
替换内容:\n

常用EditPlus正则表达式实例 

把img标签的alt去掉 

搜索内容:alt="[^src| ]* 注:"|"符号后有个空格 

替换内容:alt="" 


把带属性和样式的<font>标签去掉 

第一步:把</font>去掉。 

搜索内容:</font> 

替换内容:不填 


第二步:去掉带属性和样式的<font>标签 

搜索内容:<font [^>]*> 

替换内容:不填


以下是针对特殊中文的一些替换

^[0-9].*\n 

^[^第].*\n 

^[习题].*\n

^[\s\S ]*\n 

^[0-9]*\. 

^[\s\S ]*\n 

<p[^<>*]>

EditPlus中的正则表达式中英文详解

\t Tab character.tab符号 

\n New line.新的一行(换行符) 

. Matches any character.任何字符 

| Either expression on its left and right side matches the target string.For example, “a|b” matches “a” and “b”.|符号两边的都匹配 

[] Any of the enclosed characters may match the target character.For example, “[ab]” matches “a” and “b”. “[0-9]” matches any digit.用[]括起来的都匹配 

[^] None of the enclosed characters may match the target character.For example, “[^ab]” matches all character EXCEPT “a” and “b”.“[^0-9]” matches any non-digit character.用[]括起来的都“不匹配” 

* Character to the left of asterisk in the expression should match 0 or more times.For example “be*” matches “b”, “be” and “bee”.“*”号左边的那个字符匹配0次或者更多次 

+ Character to the left of plus sign in the expression should match 1 or more times.For example “be+” matches “be” and “bee” but not “b”.“*”号左边的那个字符匹配1次或者更多次 

? Character to the left of question mark in the expression should match 0 or 1 time.For example “be?” matches “b” and “be” but not “bee”.“*”号左边的那个字符匹配0次或者1次 

^ Expression to the right of ^ matches only when it is at the beginning of line.For example “^A” matches an “A” that is only at the beginning of line.只匹配以“^”号右边的字符为一行开头的字符。 

$ Expression to the left of $ matches only when it is at the end of line.For example “e$” matches an “e” that is only at the end of line.只匹配以“$”号左边的字符为一行结束的字符。 

() Affects evaluation order of expression and also used for tagged expression.标示表达式区域 

\ scape character. If you want to use character “\” itself, you should use “\\”.转义字符,如果你想匹配"\"。请使用"\\" 

\0你使用正则表达式找到的东西 

 
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