Regular Expressions 101

Explanation

Pro

Group 1(<!--\[.+IE.+[\n<].+[^!][^><\/].+)

<!--the literal text <!--

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

.+any character (except for line terminators), repeated at least once

IEthe literal text IE (case insensitive)

.+any character (except for line terminators), repeated at least once

Character Class[\n<]

\na line-feed (newline) character (ASCII 10)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

.+any character (except for line terminators), repeated at least once

Negated Character Class[^!]

!the literal ! (33₁₀ / 41₈ / 21₁₆)

Negated Character Class[^><\/]

>the literal > (62₁₀ / 76₈ / 3E₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.+any character (except for line terminators), repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(<!--\[.+IE.+[\n<].+[^!][^><\/].+)

New

    <script type="text/javascript">
        var domain_blog_json="";
    </script>

<!--[if lt IE 9]>
      <script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->

    <script type="text/javascript">
        var domain_blog_json="";
    </script>


<!--[if lt IE 9]>
      <script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->

    <script type="text/javascript">
        var domain_blog_json="";
    </script>