keil的正则表达式的使用说明

Regular Search Expressions

Search expressions allow you to narrow the result displayed in several windows. The search string can contain alphanumeric characters and mask characters. The string has to fulfill the rules of ECMAScript Regular Expressions. Further details can be found on http://regexlib.com/CheatSheet.aspx.

MaskDescription
. The dot matches one character.
.* Matches none or more characters.
\d Matches a digit (0-9).
( ) Group characters.
[ ] Group characters as "or".
{num} Repeat factor.
^chr Line starts with chr
chr$ Line ends with chr

Examples

Example Search StringFind all Symbols that ...
. consist of 1 character.
.{3} consist of 3 characters.
.*port.* contain the string "port".
.*\d$ end with a digit.
.*\d{2}$ end with two digits.
^(ad){2}.* start with the string "adad".
.*[abc]^ end with any character "a", "b", or "c".
.*[a-c]$ end with any character between "a" and "c" ("a", "b", or "c").
.*[a-cr]$ end with any character between "a" and "c" or "r" ("a", "b", "c", or "r").
.*[a-c1-3]$ end with any character between "a" and "c" or with any digit between "1" and "3".
.*[ac][2].* contain an "a" or "c", and a "2".
^[ad]{2}.* start with an "aa", "dd", "ad", or "da".
posted @   xiaoheikkkk  阅读(390)  评论(0编辑  收藏  举报
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