AdiIRC

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h1. Regular Expressions

(*UTF8) - Enables utf8 instead of ascii regular expression.

h1. Modifiers

/g /G - Enables global match.

/i /I - Enables Case in-sensitive.

/S - Strips any control codes before matching. 

/s - Enables single line match.

/m /M /c /C - Enables multi line match.

/x /X - Eliminates unescaped white space from the pattern.

/U - Enabled non greedy mode. (Tries to replace greedy patterns with non greedy patterns + > +?, * -> *?)

h1. Differences between .NET and prce

AdiIRC translate some patterns from PRCE into .NET patterns.

<notextile>(?R) -> .*</notextile>

<notextile>(?2) -> .*</notextile>

<notextile>(?1) -> .*</notextile>

<notextile>++ -> +</notextile>

<notextile>[:alnum:] -> a-zA-Z0-9</notextile>

<notextile>[:alpha:] -> a-zA-Z</notextile>

<notextile>[:ascii:] -> \x00-\x7F</notextile>

<notextile>[:blank:] -> \s\t</notextile>

<notextile>[:cntrl:] -> \x00-\x1F\x7F</notextile>

<notextile>[:digit:] -> 0-9</notextile>

<notextile>[:graph:] -> \x21-\x7E</notextile>

<notextile>[:lower:] -> a-z</notextile>

<notextile>[:print:] -> \x20-\x7E</notextile>

<notextile>[:punct:] -> !"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~</notextile>

<notextile>[:space:] -> \s\t\r\n\v\f</notextile>

<notextile>[:upper:] -> A-Z</notextile>

<notextile>[:word:] - > A-Za-z0-9_"</notextile>

<notextile>[:xdigit:] -> A-Fa-f0-9</notextile>

<notextile>\cc -> \x003</notextile>

<notextile>\co -> \x00F</notextile>

<notextile>\cb -> \x002</notextile>

<notextile>\x\{([A-Fa-f0-9]{1,4})\} -> \uXXXX</notextile>

\K is not available in .NET, use (<=abc)d instead.

These are not available and have no .NET counterpart:

code (?{…})

recursive (R), (R1), (R&name) (?R)

define (DEFINE).

List of differences between .NET and PRCE https://stackoverflow.com/questions/3417644/translate-perl-regular-expressions-to-net