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PSP - Regular Expressions Specific
PSP regexp unit (since v.1.4.0) is PHP-like functional API for TRegExpr unit. It is built-in, so you don't need PCRE library. But it is much slower than PCRE and has less functionality.
As PSP regexp is based on TRegExpr, regular expressions syntax is the same as described in TRegExpr Syntax. The only difference is Perl/PHP-like pattern/modifier boundaries. The first character is boundary. There must be two boundaries on both sides of the pattern and you can add modifiers after the second boundary. Example patterns:
/pattern/i
#pattern#i
/pattern/i-g
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