php escape characters in stringterraria pickaxe range
The first method which comes to mind to do this is: [^(string)] but this of course won't work. use mysql_real_escape_string or pg_escape at least if you are not using prepared queries yet. We use Google Analytics and StatCounter for site usage analytics. Windows and PHP use the first slash as an escape character, so if you only use two slashes then it passes a UNC path with just one backslash. I have been working on a email system that will automatically generate a text email from a given HTML email by using strip_tags(). http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent, http://www.w3.org/TR/xhtml1/DTD/xhtml-symbol.ent, http://www.w3.org/TR/xhtml1/DTD/xhtml-special.ent, http://info.cern.ch/MarkUp/html-spec/html.dtd, Unicode.org - Proposal for Additional Deprecated Characters, UnicodeData.txt from the Unicode Consortium, Numerical Reference of Unicode code points, Webpage for encoding and decoding special characters, https://en.wikipedia.org/w/index.php?title=List_of_XML_and_HTML_character_entity_references&oldid=1126547794, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0, left-pointing double angle quotation mark, right-pointing double angle quotation mark, Cyrillic capital letter Byelorussian-Ukrainian I, Cyrillic small letter Byelorussian-Ukrainian i, ZeroWidthSpace, NegativeVeryThinSpace, NegativeThinSpace, NegativeMediumSpace, NegativeThickSpace, single left-pointing angle quotation mark, single right-pointing angle quotation mark, larr, leftarrow, LeftArrow, slarr, ShortLeftArrow, rarr, rightarrow, RightArrow, srarr, ShortRightArrow, darr, downarrow, DownArrow, ShortDownArrow, rlarr, rightleftarrows, RightArrowLeftArrow, upwards arrow leftwards of downwards arrow, lrarr, leftrightarrows, LeftArrowRightArrow, lrhar, ReverseEquilibrium, leftrightharpoons, leftwards harpoon over rightwards harpoon, rightwards harpoon over leftwards harpoon, rArr, Rightarrow, Implies, DoubleRightArrow, hArr, Leftrightarrow, DoubleLeftRightArrow, iff, rightwards squiggle arrow (rightwards zigzag arrow), downwards arrow leftwards of upwards arrow, setmn, setminus, Backslash, ssetmn, smallsetminus, prop, propto, Proportional, vprop, varpropto, par, parallel, DoubleVerticalBar, spar, shortparallel, npar, nparallel, NotDoubleVerticalBar, nspar, nshortparallel, awconint, CounterClockwiseContourIntegral, neither approximately nor actually equal to, asymp, ap, TildeTilde, approx, thkap, thickapprox, identical to; sometimes used for 'equivalent to' or 'congruent', not identical to; sometimes used for 'not congruent', double vertical bar double right turnstile, negated double vertical bar double right turnstile, rtrie, trianglerighteq, RightTriangleEqual, nltrie, ntrianglelefteq, NotLeftTriangleEqual, nrtrie, ntrianglerighteq, NotRightTriangleEqual, does not contain as normal subgroup or equal, element of with vertical bar at end of horizontal stroke, small element of with vertical bar at end of horizontal stroke, contains with vertical bar at end of horizontal stroke, small contains with vertical bar at end of horizontal stroke, upper left or lower right curly bracket section, upper right or lower left curly bracket section, bottom square bracket over top square bracket, box drawings light vertical and horizontal, box drawings down single and right double, box drawings down double and right single, box drawings vertical single and right double, box drawings vertical double and right single, box drawings vertical single and left double, box drawings vertical double and left single, box drawings down single and horizontal double, box drawings down double and horizontal single, box drawings up single and horizontal double, box drawings up double and horizontal single, box drawings vertical single and horizontal double, box drawings vertical double and horizontal single, box drawings double vertical and horizontal, squf, squarf, blacksquare, FilledVerySmallSquare, light left tortoise shell bracket ornament, light right tortoise shell bracket ornament, mathematical left white tortoise shell bracket, mathematical right white tortoise shell bracket, xharr, longleftrightarrow, LongLeftRightArrow, xlArr, Longleftarrow, DoubleLongLeftArrow, xrArr, Longrightarrow, DoubleLongRightArrow, xhArr, Longleftrightarrow, DoubleLongLeftRightArrow, leftwards double arrow with vertical stroke, rightwards double arrow with vertical stroke, left right double arrow with vertical stroke, leftwards arrow from bar to black diamond, rightwards arrow from bar to black diamond, arrow pointing rightwards then curving downwards, arrow pointing downwards then curving leftwards, arrow pointing downwards then curving rightwards, upwards two-headed arrow from small circle, downwards harpoon with barb right from bar, leftwards harpoon with barb down from bar, rightwards harpoon with barb down from bar, downwards harpoon with barb left from bar, leftwards harpoon with barb up above leftwards harpoon with barb down, upwards harpoon with barb left beside upwards harpoon with barb right, rightwards harpoon with barb up above rightwards harpoon with barb down, downwards harpoon with barb left beside downwards harpoon with barb right, leftwards harpoon with barb up above rightwards harpoon with barb up, leftwards harpoon with barb down above rightwards harpoon with barb down, rightwards harpoon with barb up above leftwards harpoon with barb up, rightwards harpoon with barb down above leftwards harpoon with barb down, leftwards harpoon with barb up above long dash, leftwards harpoon with barb down below long dash, rightwards harpoon with barb up above long dash, rightwards harpoon with barb down below long dash, upwards harpoon with barb left beside downwards harpoon with barb right, downwards harpoon with barb left beside upwards harpoon with barb right, left square bracket with tick in top corner, right square bracket with tick in bottom corner, left square bracket with tick in bottom corner, right square bracket with tick in top corner, measured angle with open arm ending in arrow pointing up and right, measured angle with open arm ending in arrow pointing up and left, measured angle with open arm ending in arrow pointing down and right, measured angle with open arm ending in arrow pointing down and left, measured angle with open arm ending in arrow pointing right and up, measured angle with open arm ending in arrow pointing left and up, measured angle with open arm ending in arrow pointing right and down, measured angle with open arm ending in arrow pointing left and down, circled anticlockwise-rotated division sign, circle with two horizontal strokes to the right, equals sign and slanted parallel with tilde above, identical to and slanted parallel ('equivalent to' and slanted parallel), line integration with rectangular path around pole, line integration with semicircular path around pole, circled multiplication sign with circumflex accent, intersection beside and joined with intersection, closed union with serifs and smash product, equals sign with two dots above and two dots below, less-than or slanted equal to with dot inside, greater-than or slanted equal to with dot inside, less-than or slanted equal to with dot above, greater-than or slanted equal to with dot above, less-than or slanted equal to with dot above right, greater-than or slanted equal to with dot above left, greater-than and single-line not equal to, less-than above double-line equal above greater-than, greater-than above double-line equal above less-than, less-than above similar above greater-than, greater-than above similar above less-than, less-than above greater-than above double-line equal, greater-than above less-than above double-line equal, less-than above slanted equal above greater-than above slanted equal, greater-than above slanted equal above less-than above slanted equal, slanted equal to or less-than with dot inside, slanted equal to or greater-than with dot inside, similar above less-than above equals sign, similar above greater-than above equals sign, less-than closed by curve above slanted equal, greater-than closed by curve above slanted equal, superset beside and joined by dash with subset, long dash from left member of double vertical, does not divide with reversed negation slash, less-than sign, combining long vertical line overlay, equals sign, combining reverse solidus overlay, greater-than sign, combining long vertical line overlay, latin small letter f, latin small letter j, rightwards wave arrow, combining long solidus overlay, partial differential, combining long solidus overlay, angle, combining long vertical line overlay, tilde operator, combining long vertical line overlay, inverted lazy s, combining double low line, minus tilde, combining long solidus overlay, triple tilde, combining long solidus overlay, equivalent to, combining long vertical line overlay, geometrically equivalent to, combining long solidus overlay, difference between, combining long solidus overlay, approaches the limit, combining long solidus overlay, identical to, combining reverse solidus overlay, less-than or equal to, combining long vertical line overlay, greater-than or equal to, combining long vertical line overlay, less-than over equal to, combining long solidus overlay, greater-than over equal to, combining long solidus overlay, less-than but not equal to, variation selector-1, greater-than but not equal to, variation selector-1, much less-than, combining long solidus overlay, much less-than, combining long vertical line overlay, much greater-than, combining long solidus overlay, much greater-than, combining long vertical line overlay, succeeds or equivalent to, combining long solidus overlay, subset of, combining long vertical line overlay, superset of, combining long vertical line overlay, subset of with not equal to, variation selector-1, superset of with not equal to, variation selector-1, square image of, combining long solidus overlay, square original of, combining long solidus overlay, normal subgroup of or equal to, combining long vertical line overlay, contains as normal subgroup or equal to, combining long vertical line overlay, very much less-than, combining long solidus overlay, very much greater-than, combining long solidus overlay, less-than equal to or greater-than, variation selector-1, greater-than equal to or less-than, variation selector-1, element of with dot above, combining long solidus overlay, element of with two horizontal strokes, combining long solidus overlay, wave arrow pointing directly right, combining long solidus overlay, left triangle beside vertical bar, combining long solidus overlay, vertical bar beside right triangle, combining long solidus overlay, congruent with dot above, combining long solidus overlay, approximately equal or equal to, combining long solidus overlay, less-than or slanted equal to, combining long solidus overlay, greater-than or slanted equal to, combining long solidus overlay, double nested less-than, combining long solidus overlay, double nested greater-than, combining long solidus overlay, smaller than or equal to, variation selector-1, larger than or equal to, variation selector-1, precedes above single-line equals sign, combining long solidus overlay, succeeds above single-line equals sign, combining long solidus overlay, subset of above equals sign, combining long solidus overlay, superset of above equals sign, combining long solidus overlay, subset of above not equal to, variation selector-1, superset of above not equal to, variation selector-1, double solidus operator, combining reverse solidus overlay, HTML 5.0: rdquor and CloseCurlyDoubleQuote, HTML 5.0: leftarrow, LeftArrow, slarr, and ShortLeftArrow, HTML 5.0: uparrow, UpArrow, and ShortUpArrow, HTML 5.0: rightarrow, RightArrow, srarr, and ShortRightArrow, HTML 5.0: downarrow, DownArrow, and ShortDownArrow, HTML 5.0: leftrightarrow and LeftRightArrow, HTML 5.0: Rightarrow, Implies, and DoubleRightArrow, HTML 5.0: Leftrightarrow, DoubleLeftRightArrow, and iff, HTML 5.0: emptyset, emptyv, and varnothing, HTML 5.0: niv, ReverseElement, and SuchThat, HTML 5.0: propto, Proportional, vprop, and varpropto, HTML 5.0: ap, TildeTilde, approx, thkap, and thickapprox, The original HTML 1.0 DTD, which would have been available at, If the document is read by a conforming HTML processor, then only the 252 HTML character entities can safely be used. An example of an illegal character is a double quote inside a string that is surrounded by double quotes: To validate directorys on Windows i used this: Attention! See this list of special character used in JSON : \b Backspace (ascii code 08) \f Form feed (ascii code 0C) \n New line \r Carriage return \t Tab \" Double quote \\ Backslash character A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form. You can create a string in PHP by enclosing a sequence of characters in either single or double quotes. said the old guru, Procedural style only: A mysqli object However, the advent of Unicode has largely superseded them. Sort all words in a string alphabetically. Quickly remove dots, commas, and other marks from a string. encoding. I noticed that in order to deal with UTF-8 texts, without having to recompile php with the PCRE UTF-8 flag enabled, you can just add the following sequence at the start of your pattern: (*UTF8). The " entity was omitted from the HTML 3.2 specification. Here is a function that does it: I think two additional characters need to be removed or escaped to protect from injection: ` (accent grave) and ; (semicolon). So the best way is to add the u option (for unicode) after the delimiters. Reverse the order of all words in a string. I spent a while replacing all my ereg() calls to preg_match(), since ereg() is now deprecated and will not be supported as of v 6.0. Quickly convert a sequence of bytes to a string. There does not seem to be any mention of the PHP version of switches that can be used with regular expressions. !~*\()\[\] ])|(? The format is the same as for any entity reference: where name is the case-sensitive name of the entity. -]?(\d{4})(? Quickly create a palindrome from a string. it's very basic, and allows you to try different patterns and combinations. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: nnnn; or hhhh;. : (?i:ext)\.? Note: On 32-bit builds, a string can be as large as up to 2GB (2147483647 bytes maximum) Simple function to return a sub-string following the preg convention. The "Unicode code point" column cites the character via standard UCS/Unicode "U+" notation, which shows the character's code point in hexadecimal. Basic test for invalid UTF-8 that can hi-jack IE: '@[^\x9\xA\xD\x20-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]@u', Human Language and Character Encoding Support, http://www.php.net/manual/en/regexp.reference.subpatterns.php, http://fr.php.net/manual/en/function.filter-var.php, http://www.regular-expressions.info/named.html, http://www.php.net/manual/en/function.filter-var.php, http://www.php.net/manual/en/pcre.configuration.php, http://www.php.net/manual/en/function.preg-last-error.php, http://api.drupal.org/api/drupal/includes--bootstrap.inc/function/drupal_validate_utf8/7, http://www.w3.org/TR/2000/REC-xml-20001006#charsets. This sample is for checking persian character: '/^(?P
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php escape characters in string