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DEVELOPING COLDFUSION 9 APPLICATIONS
The CFML Programming Language
• In replacement strings, use \n instead of $n for backreference variables. ColdFusion escapes all $ in the replacement
string.
• You do not have to escape backslashes in replacement strings. ColdFusion escapes them, except in case conversion
sequences or escaped versions (for example, \u or \\u).
• Embedded modifiers such as (?i) always operate on the entire expression, even if they are inside a group.
• \` and the combinations \u\L and \l\U are not supported in replacement strings.
The following Perl statements are not supported:
• Lookbehind (?<=) (<?!)
• \\x
• \N
• \p
• \C
An excellent reference on regular expressions is Mastering Regular Expressions, by Jeffrey E. F. Friedl, O'Reilly &
Associates, Inc., 1997, ISBN: 1-56592-257-3, available at www.oreilly.com.
Last updated 8/5/2010
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