check_replacement
Description:
public static bool check_replacement (string replacement, out bool has_references = null) throws RegexError
Checks whether replacement
is a valid replacement string (see replace
), i.
e. that all escape sequences in it are valid.
If has_references
is not null then replacement
is checked for pattern references.
For instance, replacement text 'foo\n' does not contain references and may be evaluated without information about actual match, but '\0\1' (
whole match followed by first subpattern) requires valid MatchInfo object.
Parameters:
replacement |
the replacement string |
has_references |
location to store information about references in |
Returns:
whether |