ereg_replace Replace regular expression &reftitle.description; stringereg_replace stringpattern stringreplacement stringstring This function scans string for matches to pattern, then replaces the matched text with replacement. &warn.deprecated.function-5-3-0.removed-6-0-0; &reftitle.parameters; pattern A POSIX extended regular expression. replacement If pattern contains parenthesized substrings, replacement may contain substrings of the form \\digit, which will be replaced by the text matching the digit'th parenthesized substring; \\0 will produce the entire contents of string. Up to nine substrings may be used. Parentheses may be nested, in which case they are counted by the opening parenthesis. string The input string. &reftitle.returnvalues; The modified string is returned. If no matches are found in string, then it will be returned unchanged. &reftitle.examples; For example, the following code snippet prints "This was a test" three times: ]]> One thing to take note of is that if you use an integer value as the replacement parameter, you may not get the results you expect. This is because ereg_replace will interpret the number as the ordinal value of a character, and apply that. For instance: ]]> [:space:]]+[[:alnum:]/]", "\\0", $text); ?> ]]> &reftitle.notes; ¬e.regex.deprecated; preg_replace, which uses a Perl-compatible regular expression syntax, is often a faster alternative to ereg_replace. &reftitle.seealso; ereg eregi eregi_replace str_replace preg_match