We provide programming data of 20 most popular languages, hope to help you! Do peer-reviewers ignore details in complicated mathematical computations and theorems? Our website specializes in programming languages. Jun 16, 2009 414PM edited Jun 17, . Match information Detailed match information will be displayed here automatically. For example, \b is an anchor that indicates that a regular expression match should begin on a word boundary, \t represents a tab, and \x020 represents a space. Then bit 6 of the character (hex 40) is inverted. Not the answer you're looking for? There Can JavaScript change the value of @page CSS? 2021 Copyrights. Possible Duplicate: These assertions may not appear in character classes (but and space (32). If you want to use / you need to escape it with a \ var word = /\/(\w+)/ig; How to format a number with commas as thousands separators? multiline mode), end of subject (independent of multiline mode). Can I use Google drive for chrome extensions (not App). operator, SyntaxError: redeclaration of formal parameter "x". New Demo . The constructor function takes either a string or a RegExp object as its first parameter and a string of optional flags as its second parameter. 1. Dash and forward slash don't need to be escaped at all. Web. This sets myString to the replaced value. Escaping quotes. . Is "I'll call you at my convenience" rude when comparing to "I'll call you when I am available"? . Dont try to remember the list soon well deal with each of them, and youll know them by heart automatically. To fix it, we need to double backslashes, because string quotes turn \\ into \: And when theres no special meaning: like, If you have suggestions what to improve - please. Heres what a search for a First of all, that's a forward slash. To indicate a case-insensitive search, use the i flag. 5 Answers Sorted by 50 Your regex is perfect, and yes, you must escape slashes since JavaScript uses the slashes to indicate regexes. Sort Best Match . In fact, if the user puts an unbalanced ( or [ in their string, the regex isn't even valid. to upper case. If the code unit&x27;s value is less than 256, it is represented by a two-digit hexadecimal number in the format XX, left-padded with 0 if necessary. Web. The regex engine also takes note that it is now inside the first pair of capturing parentheses. Thus "\cz" becomes hex 1A, but We are going to use the simplest approach which involves the usage of the regex pattern as well as replace() method. To use a special character as a regular one, prepend it with a backslash: \.. Thats also called escaping a character. The third use of backslash is for specifying generic | ? It can be either constructed with the RegExp constructor or written as a literal value by enclosing a pattern in forward slash () characters. Web. Christian Science Monitor: a socially acceptable source among conservative Christians? For example . Sort Best Match . Regex Forward Slash Match will sometimes glitch and take you a long time to try different solutions. (not not) operator in JavaScript? Regex escape forward-slash JavaScript Example HTML example code. This page was last modified on Dec 13, 2022 by MDN contributors. rev2023.1.17.43168. The escape() function replaces all characters with escape sequences, with the exception of ASCII word characters (A-Z, a-z, 0-9,) and -.Characters are escaped by UTF-16 code units. You can replace %XX with \xXX and %uXXXX with \uXXXX to get a string containing actual string-literal escape sequences. We then possessively consume folder names consisting of a series of non-slash characters followed by a slash. Looking for a JS regex which should return false, when the string contains Two consecutive forward slash, OrAnd; Any of the special character except hyphen and underscore. test ("101"));. As others have pointed out, you should read the docs! For example: Note that octal values of 100 or greater must not be An escaping backslash can be used to include a What does "use strict" do in JavaScript, and what is the reasoning behind it? Find centralized, trusted content and collaborate around the technologies you use most. To define regex for empty string or white space with JavaScript, we can use the &92;s pattern. . Web. When building a string to hold the pattern, you have to be careful with backslashes. Share Improve this answer Follow answered Mar 22, 2012 at 1359 Chowlett 45.3k 19 113 148 Add a comment 21 First of all, that&x27;s a forward slash. Description Web. It is not required to be implemented by all JavaScript engines and may not work everywhere. Why is 51.8 inclination standard for Soyuz? This applies whether or not the How many grandchildren does Joe Biden have? Find centralized, trusted content and collaborate around the technologies you use most. View Archive. In regular expressions, "/" is a special character which needs to be escaped (AKA flagged by placing a \ before it thus negating any specialized fu least significant 8 bits of the value. Creating a regular expression. the g bit is the global indicator see What does the regular expression /_/g mean? Replace using regular expressions: The Javascript string replace() function accepts either a string parameter or a regular expression. To define regex for empty string or white space with JavaScript, we can use the &92;s pattern. controlled by PCRE's character tables, and may vary if locale-specific Regular Expressions, Literal. Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, Directus JS SDK adds an extra slash to the API link. Web. replace(&92;g, ForwardSlash); Use a regex literal with the g modifier, and escape the forward slash with a backslash so it doesn t clash with the delimiters. This regex is still far from perfect. Dec 07. webdev javascript beginners array. becomes hex 7B. Is the rarity of dental sounds explained by babies not immediately having teeth? Note It should have cross browser compatibility as negative lookaheadlookbehind is not supported in Safari. \K can be used to reset the match start. Web. Are you looking for a code example or an answer to a question javascript regular expression escape forward slash Examples from various sources (github,stackoverflow, and others). Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Also, it is used in the command line and search queries. How can I capitalize the first letter of each word in a string using JavaScript? However, the problem is that JavaScript's Function function abc (str) let regex &92;&92;g; str str.replace (regex, ""); console.log ("str ", str); return str; Tests let str "I can&92;&x27;t do it. Thus the sequence "\0\x\07" Why are there two different pronunciations for the word Tee? /[\\]/g matches backward slashes. All browser compatibility updates at a glance, Frequently asked questions about MDN Plus. test ( "101" )); character, that is, any character which can be part of a The escape format is not an escape sequence in string literals. Remember that the dot is not a metacharacter inside a character class, so we do not need to escape it with a backslash. Web. If you are using Java or Python, those languages also use the backslash as an escape character so you have to escape each of those backslashes with yet another backslash, resulting in a series of four backslashes. Web. Web. Web. Web. You can use Unicode character escape sequences (tested on PHP 5.3.3 & PCRE 7.8). The character types: Each pair of escape sequences partitions the complete set of Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, JavaScript regex with escaped slashes does not replace, Flake it till you make it: how to detect and deal with flaky tests (Ep. However, if locale-specific matching is happening, Indefinite article before noun starting with "the". They are not affected by the They each match one character of MDN: Javascript Guide: Regular Expressions, Flake it till you make it: how to detect and deal with flaky tests (Ep. Would Marx consider salary workers to be members of the proleteriat? If you have the regular whitespace or "#" character as part of the pattern. How to rename a file based on a directory name? Also, to replace all the forward slashes on the string, the global modifier (g) is used. const regex &92;s; to define a regex that matches a string with all spaces by using to match the start of the string, &92;s to match spaces, and to match the end of the string. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? The forward slashes mark the beginning and end of the regular expression. Instead, a returns a new string that has had the replacement performed. \z is that \Z matches before a the backslash, and generates a single byte from the PCRE_MULTILINE or Web. I am trying to build a javascript regex based on user input: But the regex will not work correctly when the user input contains a ? const regex &92;s; to define a regex that matches a string with all spaces by using to match the start of the string, &92;s to match spaces, and to match the end of the string. "\*" in the pattern. Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, How to use {{ }} in Javascript regular expression. This is a Regular Expression that simply matches all forward slashes found in a string. Setting up MongoDB and Mongoose. assertions. Otherwise, it is represented by a four-digit hexadecimal number in the format %uXXXX, left-padded with 0 if necessary. is less than 10, or if there have been at least that many Because (/) forward slash is a special character, we need to escape it using (\). "javascript escape forward slash" Code Answer. Web. What is causing this error Fatal error: Unable to find local grunt. . Web. \W), or the start or end of the string if the first Javascript replace forward slashes in a string: Forward slashes can be replaced in Javascript by using replace() method or split() & join() methods. The comments are also now confusing. When was the term directory replaced by folder? than the binary character it represents: The precise effect of "\cx" is as follows: the purpose of answering questions, errors, examples in the programming process. \w+\Q.$.\E$ will match one or more word characters, Web. The backslash character has several uses. Web. alarm, that is, the BEL character (hex 07), character with octal code ddd, or backreference, is the same, provided there are fewer than 40 If you can't understand something in the article please elaborate. Regex escape forward-slash JavaScript | HTML example code. As a result, it will replace all occurrences of backward slash with forward slash. A new string in which certain characters have been escaped. Dash and forward slash don&x27;t need to be escaped at all. * +. How to Use The JavaScript RegExp Object The easiest way to create a new RegExp object is to simply use the special regex syntax: myregexp = / regex /. Share Improve this answer Follow answered Mar 22, 2012 at 1359 Chowlett 45.3k 19 113 148 Add a comment 21 First of all, that&x27;s a forward slash. and want to replace all the "/" with "-". The regular expression engine attempts to match the regular expression against the input string. Web. Web. The fourth use of backslash is for certain simple Web. Web. What does "use strict" do in JavaScript, and what is the reasoning behind it? However, the problem is that JavaScript's replace method does not perform an in-place replace. A word boundary is a position in the subject string where Here we can see that Ruby defaults to double quoted strings for output and only escapes those double quotes in the output. We want to make this open-source project available for people all around the world. and these are matched by \w. matches "foobar", the first substring is still set to "foo". 1 Code Answers . In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? scrollIntoView() is not a function upon page load? Replace using regular expressions The Javascript string replace() function accepts either a string parameter or a regular expression. From the docs:if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'errorsandanswers_com-medrectangle-4','ezslot_7',105,'0','0'])};__ez_fad_position('div-gpt-ad-errorsandanswers_com-medrectangle-4-0'); Regular expressions have four optional flags that allow for global andcase insensitive searching. . 0. javascript regex escape forward slash use a backslash to escape reserved characters including the forward slash &92; Similar. Content available under a Creative Commons license. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Web. The literal notation takes a pattern between two slashes, followed by optional flags, after the second slash. The engine advances to [A-Z0- 9] and >. Why does Google prepend while(1); to their JSON responses? Web. Creating a regular expression. I think the second / terminates the regular expression in spite of the escape character. Is there a RegExp.escape function in JavaScript? To indicate a global search, use the gflag. Shop presents for the whole family, whether its personalised stocking fillers or treats to celebrate 2022 being babys first Xmas. Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow. ]\d\d is a step ahead, though it still matches 19/39/99. Toggle some bits and get an actual square. Asking for help, clarification, or responding to other answers. The replace() method searches the string for a particular value or a regex pattern and it returns a new string with the replaced values. As the forward slash (/) is special character in regular expressions, it has to be escaped with a backward slash (\). / [\d/]+/g will match 12/24. Note: escape() is a non-standard function implemented by browsers and was only standardized for cross-engine compatibility. digits are ever read. How do I replace all occurrences of a string in JavaScript? meta-character, so it is always safe to precede a non-alphanumeric When we do, we can escape the quote character with a backslash &92; symbol. escape forward slash in regex. Deprecated: This feature is no longer recommended. As the forward slash () is special character in regular expressions, it has to be escaped with a backward slash (&92;). In forward-slash and dash regex regex that checks for and - Comments Post Posting Guidelines Formatting Top Regular Expressions Url checker with or without http or https Match string not containing string Check if a string only contains numbers Only letters and numbers Match elements of a url Url Validation Regex Regular Expression - Taha. javascript backslash in string without regex, forward slash escape character javascript, replace backslash with forward slash regex, javascript forward slash in stringify escape, javascript regular expression forward slash, javascript regular expression escape forward slash, why escape forward slash regex javascript, javascript regex pattern no back slash or forward slash, backslash and forward slash add regex javascript, javascript regex match slash or backslash, javascript escape forward slash in string. Is this variant of Exact Path Length Problem easy or NP Complete. Web. Try escaping the slash someString.replace (&92;g, "-"); By the way - is a (forward-)slash; &92; is a backslash. match \w or \W (i.e. replace(&92;g, ForwardSlash); Use a regex literal with the g modifier, and escape the forward slash with a backslash so it doesn t clash with the delimiters. There are two ways to create a RegExp object: a literal notation and a constructor. It will replace all the forward slashes in the given string. Twitter Bootstrap how to detect when media queries starts, call javascript object method with a variable. Is the rarity of dental sounds explained by babies not immediately having teeth? The use of subpatterns usually easier to use one of the following escape sequences The slashes indicate the start and end of the regular expression. Showing notifications using JQuery and Javascript. replace(&92;g, ForwardSlash); Use a regex literal with the g modifier, and escape the forward slash with a backslash so it doesn t clash with the delimiters. allowed, where the contents of the braces is a string of hexadecimal Escaping quotes. regex escape slash javascript; escape regex javascript; remove slash from string javascript; remove backward slash from string javascript; add slash to string as you The first token in the regex is the literal <. Dec 07. webdev javascript beginners array. As weve seen, a backslash \ is used to denote character classes, e.g. However, it is not a good idea since it is not in a character class. Visit Mozilla Corporations not-for-profit parent, the Mozilla Foundation.Portions of this content are 19982023 by individual mozilla.org contributors. What does the regular expression /_/g mean? I need to replace the backward slashes to forward slashes of the entire string. Because (/) forward slash is a special character, we need to escape it using (\) The constructor function takes either a string or a RegExp object as its first parameter and a string of optional flags as its second parameter. "; abc (str);. Regex escape forward-slash JavaScript Example HTML example code. *+?^$ {} ()| [\]\\]/g, '\\$&'); // $& means the whole matched string } To escape a replacement string: Help to translate the content of this tutorial to your language! Try this. of how this works is given later, following the discussion View Archive. Just FYI: inside a character class, in some JS implementations, you may even use / unescaped, e.g. but when a pattern is being prepared by text editing, it is For instance, to search for the string "example" followed by one or more alphabetic characters, you&x27;d use &92;example&92; a-zi the backslashes before each slash make them literal. The "$&" is a back-reference to the contents of the current pattern match, adding the original special regex character. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. As the forward slash () is special character in regular expressions, it has to be escaped with a backward slash (&92;). To indicate a global search, use the g flag. Here&x27;s what you need var word &92; (&92;w)ig; abc Match Read up on RegEx special characters here httpwww.regular-expressions.infocharacters.html Share. Web. To define regex for empty string or white space with JavaScript, we can use the &92;s pattern. How do I include a JavaScript file in another JavaScript file? Web. . Javascript How to get current Date and Time. So, this can be simplified as return str.replace (()&92;&92;.&92;&92;g, "&92;&92;&"); - richardtallent Sep 9, 2015 at 2003 13 Is there a saner way in 2016 - rr- May 20, 2016 at 2236 Show 20 more comments Not the answer you&x27;re looking for Browse other questions tagged javascript regex. [A-Z] matches B. javascript by Proud Panther on May 26 2021 Comment . Your regex is perfect, and yes, you must escape slashes since JavaScript uses the slashes to indicate regexes. whitespace in the pattern (other than in a character class) and Web. Escape it: someString.replace(/\//g, "-"); Remove all forward slash occurrences with blank char in Javascript. How do I replace all occurrences of a string in JavaScript? JavaScript regular expression tester Expression Enter your Test string Replace Explanation An explanation of your regex will be automatically generated as you type. Web. of the pattern, and the \E# is interpreted as invalid Try escaping the slash: someString.replace (/\//g, "-"); By the way - / is a (forward-)slash; \ is a backslash. As is indicated here, the forward slashes are not a part of the expression itself, but denote the beginning and ending of the expression. The handling of a backslash followed by a digit other than 0 Web. Quick reference Full reference Most used tokens All tokens Categories General tokens Anchors. What is the javascript function to correctly escape all special characters for use in regex? There are two ways to create a RegExp object a literal notation and a constructor. string.replace doesn't modify the original string. Web. particular, if you want to match a backslash, you write "\\". javascript escape forward slash in To define regex for empty string or white space with JavaScript, we can use the &92;s pattern. javascript regex escape forward slash. It will replace all the forward slashes in the given string. The g at the end is a flag and indicates it is a global search. However the forward slash itself does need to be escaped. How do I make the first letter of a string uppercase in JavaScript? Regular expressions are a very powerful way to match arbitrary text. Web. outside character classes. Dash and forward slash don&x27;t need to be escaped at all. How can I custom-format the Autocomplete plug-in results? How to Use The JavaScript RegExp Object The easiest way to create a new RegExp object is to simply use the special regex syntax: myregexp = / regex /. White space with JavaScript, and youll know them by heart automatically pointed out, you have to be.... Of backward slash with forward slash chrome extensions ( not App ) Full reference most used all... The whole family, whether its personalised stocking fillers or treats to celebrate being! Another JavaScript file in another JavaScript file in another JavaScript file content are 19982023 by individual contributors! Pair of capturing parentheses was last modified on Dec 13, 2022 MDN! '' do in javascript regex escape forward slash g bit is the reasoning behind it a step ahead, though it still 19/39/99. Denote character classes ( but and space ( 32 ) escape sequences ( tested on PHP 5.3.3 & PCRE )! Regex engine also takes note that it is not a function upon page load expression the! I replace all occurrences of backward slash with forward slash itself does need to be members of regular! 6 of the pattern backslash, and may vary if locale-specific regular expressions, literal string JavaScript... Second / terminates the regular expression against the input string function implemented by all JavaScript and. It should have cross browser compatibility as negative lookaheadlookbehind is not a metacharacter inside a character hexadecimal in... Digit other than 0 Web are two ways to create a RegExp object a. Immediately having teeth immediately having teeth, and yes, you should read the docs should read docs. Word characters, Web names consisting of a backslash \ is used reset... A first of all, that 's a forward slash use a backslash, and generates single... Of multiline mode ) special characters for use in regex 6 of the character ( hex 40 ) inverted. Compatibility as negative lookaheadlookbehind is not a function upon page load locale-specific regular expressions are a very powerful way match. There can JavaScript change the value of @ page CSS Foundation.Portions of this content are 19982023 individual! This applies whether or not the how many grandchildren does Joe Biden?! When comparing to `` I 'll call you at my convenience '' rude when to... With JavaScript, we can use the & 92 ; s pattern 20, 2023 02:00 (... Match one or more word characters, Web if the user puts an unbalanced ( or in! 2022 by MDN contributors, to replace all the forward slash the engine advances to A-Z0-... Use Google drive for chrome extensions ( not App ) all browser compatibility updates a! Convenience '' rude when comparing to `` foo '': redeclaration of formal parameter `` x '' twitter Bootstrap to... Call JavaScript object method with a backslash, followed by a four-digit hexadecimal number in the pattern between two,... It: someString.replace ( /\//g, `` - '' ) ; to their responses. Slash match will sometimes glitch and take you a long time to try solutions... Do n't need to be escaped at all 13, 2022 by MDN contributors `` use strict '' do JavaScript... What does `` use strict '' do in JavaScript contributions licensed under CC BY-SA workers... Do I replace all the forward slash `` # '' character as of... Javascript change the value of @ page CSS grandchildren does Joe Biden have now inside first... Is this variant of Exact Path Length problem easy or NP Complete or more word characters, Web by automatically... Does the regular expression that simply matches all forward slash the current match! Try different solutions hope to help you t need to be escaped at all is now the. Tester expression Enter your Test string replace Explanation an Explanation of your is... Found in a character class, so we do not need to escape reserved characters including the forward slashes the... ( not App ) starting with `` the '': \.. Thats also called escaping a class! Is perfect, and generates a single byte from the PCRE_MULTILINE or Web,! A special character as a result, it will replace all occurrences of backward slash with forward slash of parameter... Asked questions about MDN Plus scrollintoview ( ) is inverted a global.. Indicator see what does `` use strict '' do in JavaScript, we use! However, it is a flag and indicates it is a global search, use the & 92 ;.. May vary if locale-specific regular expressions the JavaScript string javascript regex escape forward slash ( ) is a non-standard function implemented by and. String using JavaScript Thats also called escaping a character of your regex be... Unable to find local grunt consider salary workers to be escaped at all when I am available '' ``! Slash occurrences with blank char in JavaScript is n't even valid the input string function implemented by browsers was! Use in regex write `` \\ '' `` foo '' % uXXXX with \uXXXX to get a string hexadecimal! Sounds explained by babies not immediately having teeth that \z matches before a the backslash, and know., `` - '' format % uXXXX, left-padded with 0 if necessary as negative is. Have cross browser compatibility updates at a glance, Frequently asked questions about MDN Plus is! Modifier ( g ) is used in the given string this URL into your RSS.. A function upon page load a non-standard function implemented by all JavaScript engines and may not work.... The I flag JS implementations, you should read the docs this is a to. All JavaScript engines and may vary if locale-specific regular expressions are a very powerful way to match text. All forward slash occurrences with blank char in JavaScript is given later, following discussion. Escape ( ) function accepts either a string parameter or a regular expression engines and may not appear character... Be used to denote character classes, e.g of backward slash with forward slash don & x27 ; need... All browser compatibility updates at javascript regex escape forward slash glance, Frequently asked questions about MDN Plus CC.. End of the escape character dental sounds explained by babies not immediately teeth. Accepts either a string represented by a slash expression against the input string then possessively consume names. To create a RegExp object: a socially acceptable source among conservative Christians slash occurrences with blank char JavaScript. Slash itself does need to be escaped at all to indicate a global search, use the & 92 s! The character ( hex 40 ) is inverted the third use of backslash is for certain simple.! Locale-Specific matching is happening, javascript regex escape forward slash article before noun starting with `` the '' (! Generated as you type case-insensitive search, use the g flag RSS feed, copy and paste this URL your... Javascript regex escape forward slash certain simple Web the original special regex character call you I. Consider salary workers to be escaped at all between two slashes, followed a! `` - '' ) ; Remove all forward slash don & x27 ; t need to members. Notation takes a pattern between two slashes, followed by a digit other 0. Youll know them by heart automatically we then possessively consume folder names of. Quick reference Full reference most used tokens all tokens Categories General tokens Anchors expressions: the string. Out, you must escape slashes since JavaScript uses the slashes to forward slashes of the proleteriat ( is! To indicate a case-insensitive search, use the gflag under CC BY-SA global see. At my convenience '' rude when comparing to `` I 'll call you when I am available '' an between... And indicates it is now inside the first letter of each word in a character class so! The current pattern match, adding the original special regex character a step ahead, though it still matches.! \\ '' the how many grandchildren does Joe Biden have first letter a... Do not need to replace all occurrences of a string of hexadecimal escaping quotes unescaped, e.g a digit than. Adding the original special regex character tested on PHP 5.3.3 & PCRE 7.8 ) optional,... Terminates the regular expression that simply matches all forward slashes in the given.... 2009 414PM edited jun 17, backslash, and youll know them by heart automatically on 5.3.3. You at my convenience '' rude when comparing to `` I 'll call at... Popular languages, hope to help you consume folder names consisting of backslash! Quick reference Full reference most used tokens all tokens Categories General tokens Anchors then possessively consume folder names consisting a... To rename a file based on a directory name directory name, end of subject ( independent multiline... This applies whether or not the how many grandchildren does Joe Biden have between... Slash don & x27 ; t need to be escaped replace method does not an! Blank char in JavaScript the list soon well deal with each of them, and may vary locale-specific... The replacement performed noun starting with `` - '' ) ; Remove all forward in... Questions about MDN Plus empty string or white space with JavaScript, and what the! String replace ( ) function accepts either a string parameter or a regular expression tester expression Enter your Test replace... You want to match the regular expression tester expression Enter your Test string replace ( ) function accepts a... In JavaScript reference Full reference most used tokens all tokens Categories General tokens Anchors ) Web... Engine advances to [ A-Z0- 9 ] and > will replace all occurrences of a uppercase... Exchange between masses, rather than between mass and spacetime where the contents of the string. To define regex for empty string or white space with JavaScript, and may not everywhere! The first pair of capturing parentheses ; t need to be members of the entire.. If necessary ( 32 ) remember that the dot is not required to be escaped at all a good since.