API tools faq
paste
sauLVP

RegExp

sauLVP
Jan 31st, 2018
32
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
JavaScript 2.71 KB | None | 0 0
raw download clone embed print report
  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <title>Regular Expression</title>
  5. </head>
  6. <body>
  7. <script>
  8.     var s="This is a demonstration of the \"JavaScript\" Regular Expression Object0";
  9.     with(document)
  10.     {
  11.         write("s="+s);
  12.         write("<hr><b>Bracket Expressions</b>");
  13.         write("<br>match(/[d-n]/)="+s.match(/[d-n]/));
  14.         write("<br>match(/[d-n]/g)="+s.match(/[d-n]/g));
  15.         write("<br>match(/[^d-n]/)="+s.match(/[^d-n]/));
  16.         write("<br>match(/[^d-n]/g)="+s.match(/[^d-n]/g));
  17.         write("<br>match(/[aRE]/g)="+s.match(/[aRE]/g));
  18.         write("<br>match(/[A-Z]/g)="+s.match(/[A-Z]/g));       
  19.         write("<br>match(/[0-9]/g)="+s.match(/[0-9]/g));
  20.         write("<br>match(/is|of|on/g)="+s.match(/is|of|on/g));
  21.         write("<hr><b>Metacharacters</b>");
  22.         write("<br>match(/.e/g)="+s.match(/.e/g));
  23.         write("<br>match(/.r./g)="+s.match(/.r./g));
  24.         write("<br>match(/\w/g)="+s.match(/\w/g));
  25.         write("<br>match(/\W/g)="+s.match(/\W/g));
  26.         write("<br>match(/\d/g)="+s.match(/\d/g));
  27.         write("<br>match(/\D/g)="+s.match(/\D/g));
  28.         write("<br>match(/\s/g)="+s.match(/\s/g));
  29.         write("<br>match(/\S/g)="+s.match(/\S/g));
  30.         write("<br>match(/\ bt/gi)="+s.match(/\bt/gi));
  31.         write("<br>match(/\Bt/g)="+s.match(/\Bt/g));
  32.         write("<hr><b>Quantifiers</b>");
  33.         write("<br>match(/s+/g)="+s.match(/s+/g));
  34.         write("<br>match(/\w+/g)="+s.match(/\w+/g));
  35.         write("<br>match(/\W+/g)="+s.match(/\W+/g));
  36.         s1="Helloooo World!!! Hello World!!!";
  37.         write("<p>s1="+s1);
  38.         write("<br>match(/lo*/g)="+s1.match(/lo*/g));
  39.         write("<br>match(/lo?/g)="+s1.match(/lo?/g));
  40.         write("<p>");
  41.         write("<br>match(/s{2}/g)="+s.match(/s{2}/g));
  42.         write("<br>match(/\w{6,13}/g)="+s.match(/\w{6,13}/g));
  43.         s2="10,100,1000,10000,100000";
  44.         write("<p>");
  45.         write("<br>match(/\d{4,}/g)="+s2.match(/\d{4,}/g));
  46.         write("<p>");
  47.         write("<br>match(/\w$/g)="+s.match(/\w$/g));
  48.         write("<br>match(/^t/gi)="+s.match(/^t/gi));
  49.         write("<p>");  
  50.         write("<br>match(/on(?=\w}/g)="+s.match(/on(?=\w)/g));
  51.         write("<br>match(/on(?!\w}/g)="+s.match(/on(?!\w)/g));
  52.         write("<hr><b>Modifiers</b>");
  53.         p=/on(?=\w)/g;
  54.         if(p.global)
  55.             write("<br>g modifier is set");
  56.         else
  57.             write("<br>g modifier is reset");  
  58.         if(p.ignoreCase)
  59.             write("<br>i modifier is set");
  60.         else
  61.             write("<br>i modifier is reset");      
  62.         if(p.multiline)
  63.             write("<br>m modifier is set");
  64.         else
  65.             write("<br>m modifier is not set");
  66.         write("<hr><b>Methods</b>");
  67.         p1=/[0-9]/g;
  68.         var result=p1.exec(s);
  69.         write("<br>Result="+result);
  70.         if(p1.test(s)==true)
  71.             write("<br>String contains digits");
  72.         else
  73.             write("<br>String does not contain digits");
  74.         p2=/[A-Z]/g;
  75.         write("<br>Upper case characters in the string are at positions");
  76.         while(p2.test(s)==true)
  77.             write("<br>"+p2.lastIndex);
  78.     }
  79. </script>
  80. </body>
  81. </html>
Add Comment
Please, Sign In to add comment
Public Pastes
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!