- Tech
- Frog Frog Recommended: Search email with regular expressions
new document </ title> <meta name = "generator" Content = "editplus"> <meta name = "author" content = "Frog Frog Prince"> <meta name = "keywords" content = "Frog Frog Pond"> <meta name = "description" Content = "呱"> <script language = "jscript"> Function WAWA_MATCHMAIL (STR) {/ * * ----------------- - WAWA_MATCHMAIL (STR) --------------- * WAWA_MATCHMAIL (STR) * Function: Search for a string in line with the message format in a string, return a new string, including 5 Searched mail, and separated by a comma. * Parameters: str, string type, the primary string to search. * Instance: WAWA_MATCHMAIL ("Only @ sohu.com, ddd, only163.com") * Author: Tianji. Frog Frog Prince * Update: 2004-7-28 13:07 * -------------- WAWA_MATCHMAIL (STR) ----------------- * / / I use the match method of the String object. VAR RE = //w ((-/w )| (/w )) ** /@[a-za-z0-9] ((/.|-) [A-ZA-Z0-9] "**/.[a-za-z0-9] /g; var m = mainstring.match (re); var m1 = "" for (VAR i = 0; i <m.Length && i <5; i ) {m1 = m [i] .FontColor ("blue") ",";} Return (m1);} Function WAWA_REPLACEMAIL (STR) {/ * * - ----------------------------- * WAWA_REPLACEMAIL (STR) * Function: Search a string in line with emails Subrings in format generate a new string and use red to represent the mail section. * Parameters: str, string type, the primary string to search. * Instance: WAWA_REPLACEMAIL ("Only @ sohu.com, ddd, only163.com" ) * Author: The sky. Frog frurse * Update: 2004-7-28 13:07 * -------------------------------------------------------------- ------ * / / This is the polite-based expression object and regexp implementation. Var s = ''; // var RE = New Regexp ("D (B ) (D)", "ig"); var RE =</p>
<p>//w ((-/w )| (/./w ))** @[a-za-z0-9] ((/.|-)[a-za-z0-9] ) * [A-ZA-Z0-9] / g; VAR J = 0; While ((arr = re.exec (str))! = Null) {s = str.substring (j, (regexp.lastindex- Regexp.lastmatch.Length); s = regexp.lastmatch.FontColor ("red"); j = regexp.lastindex // In order to make everyone familiar with the principal expression object and regexp object, I will listed them out. If you want to learn its usage, you can see the comment to see a significant output // s = "======================= ================= <br> "; // s =" $ 1 returns: " regexp. $ 1 " <br> "; // s =" $ 2 RETURNS : " Regexp. $ 2 " <br> "; // s =" $ 3 RETURns: " Regexp. $ 3 " <br> "; // s =" Input Returns: " regexp.input " <br> "; // s =" index returns: " regexp.index " <br> "; // s =" LastIndex Returns: " regexp.lastIndex " <br> "; // s = "LastMatch Returns:" regexp.lastmatch "<br>"; // s = "LeftContext returns:" regexp.LetContext "<br>"; // s = "RightContext returns:" Regexp.rightContext "<br>"; // s = "Lastparen Returns:" regexp.lastparen "<br>"; // s = "arr.index returns:" arr.index "< Br> " // s = "arr.lastindex returns:" arr.lastindex "<</p>
<p>Br> "; // s =" arr.input returns: " arr.input " <br> "; // s =" Re.lastindex Returns: " Re.lastIndex " <br> " // s = "Re.Source Returns:" Re.Source "<br>"; // s = "===================== =================== <br> ";} s = regexp.rightContext; return (s); // returnRN results.} </ script> </ head> <Body> <script> // Defining the main string var mainstring = "Frog Frog Prince, Onlytiancai @ Sohu.com, 33 @@, Three-Party, Guagua @ Wawa.cn"; mainstring = "Only@only.com ,,,, ABCD @ Abcd.com @ abc </a> sdfsdf feiyang@163.com "; mainstring =" SDF 呱呱 sfd@msn.com.dsdf__#co, I am Autumn tree zhang@yushang.com. Finished, haha ";</p>
<p>/ / The main string Document.write is printed below ("Original string:". Bold () "<br>" mainstring);</p>
<p>// print the following search out five messages document.write ( "<BR> <BR> search out five messages:". Bold () "<br>" wawa_matchmail (MainString));</p>
<p>// print the following message to replace the red string document.write ( "<BR> <BR> after the replacement string is red:" bold () "<br>" wawa_replacemail (MainString).); </ Script > </ Body> </ html></p></div><div class="text-center mt-3 text-grey">
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