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Regex

Posted on 2011-02-21
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Last Modified: 2012-05-11
Hi Experts,

I need to write a regular expression that detects markup. Can anyone advise how to write an expression that can find and replace the following:

**this is a bold paragraph** with <b>this is a bold paragraph</b>
or
_this is an italic paragraph_ with <em>this is an italic paragraph</em>
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Question by:critto
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4 Comments
 
LVL 35

Accepted Solution

by:
Terry Woods earned 2000 total points
ID: 34947846
1. Replace:
@"\*\*(.*?)\*\*"
with <b>$1</b>

2. Replace:
@"_(.*?)_"
with <em>$1</em>
0
 

Author Comment

by:critto
ID: 34947945
As in:

string pattern = "@"\*\*(.*?)\*\*";
string replacement = "<b>$1</b>";
Regex rgx = new Regex(pattern);
string result = rgx.Replace(input, replacement);

string pattern = "@"_(.*?)_";
string replacement = "<em>$1</em>";
Regex rgx = new Regex(pattern);
string result = rgx.Replace(input, replacement);

???
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LVL 35

Expert Comment

by:Terry Woods
ID: 34947965
That's right
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Author Closing Comment

by:critto
ID: 34948083
Thanks mate.
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