$step ) { $out .= $cDelimOut . '' . $txt . ''; } else { $out .= $cDelimOut . $txt; } } $s = array(); $s = array(); $s[] = '\\' ; $r[] = '\\\\'; $s[] = '/' ; $r[] = '\/'; $s[] = '?' ; $r[] = '\?'; $s[] = '+' ; $r[] = '\+'; $s[] = '*' ; $r[] = '\*'; $s[] = '.' ; $r[] = '\.'; $s[] = '(' ; $r[] = '\('; $s[] = ')' ; $r[] = '\)'; $s[] = '[' ; $r[] = '\['; $s[] = ']' ; $r[] = '\]'; $s[] = '{' ; $r[] = '\{'; $s[] = '}' ; $r[] = '\}'; return preg_replace('/^' . str_replace($s, $r, $cDelimOut) . '/' , '' , $out); }