Example 1. If it contains … Check out my new REGEX COOKBOOK about the most commonly used (and most wanted) regex . Hi fristi, I want it to match any whole sentence that begins with, ends with or contains a string. *bee$ The negative look ahead will ensure that the expression will not match if the phrase contains … In this case the string is virus. For example: If you have a text: 1. I've been trying to get a specific regex working but I can't get it to do what I need. Active 1 year ago. If a line can meet any out of series of requirements, simply use alternation in the regular expression. I have a two pets - … UPDATE! Suppose you want to validate so that a phrase starts with "string" and ends with "bee", but does not contain "like". ^[a-zA-Z0- 9_]*$ A string that contains multiple spaces in between words, “Hello World”. Iterating a file line by line, I need to extract the lines containing the word 'input', AND not containing the word 'type'. A compatible regular expression with basic syntax only would be: [0-8]\d\d|\d[0-8]\d|\d\d[0-8] This does also match any three digits sequence that is not 999. So, 'input damian whatever' is a match, while 'input damian type whatever' is not. The first backreference will contain the word the line actually contains. Java regex to match word with nonboundaries – contain word example. A simple cheatsheet by examples. Regex match string containing word. If you want to match a word A in a string and not to match a word B. Greetings, I have a problem with finding a regex pattern that should match any text containing a group of letters, and in the same time it does not contain another group of letters. Similarly, it must be either at the end of the line or followed by a non-word constituent character. regular expression to allow spaces between words, This regex works great but it doesn't allow for spaces between words. Word-constituent characters are letters, digits, and the underscore. Regular expression for a string containing one word but not another. * $ matches a complete line of text that contains any of the words “one”, “two” or “three”. Ask Question Asked 10 years, 7 months ago. … 3. Basically, I want it to look for ROCKET. For those interested in the details, the technique employed is to convert the regular expression that matches the word into a finite automaton, then invert the automaton by changing every acceptance state to non-acceptance and vice versa, and then converting the resulting FA back to a regular expression. The word at point is first character sorted so that dollars becomes adllors in a temporary buffer. * \b (one | two | three) \b. Dear colleagues, I am trying to write regex, that can match one word with uppercase letters or multiple words, separated by whitespace. We can grep an exact match by putting a regex match of beginning(^) and ending($) char. Here's one way to implement some equivalent to the "AND"ing of regexp needed for this specific application. The following example calls the Matches(String, String) method to identify any word in a sentence that ends in "es", and then calls the Matches(String, String, RegexOptions) method to perform a case-insensitive comparison of the pattern with the input string. Regular expressions (regex or … ^. Suppose, you want to match “java” such that it should be able to match words like “javap” or “myjava” or “myjavaprogram” i.e. java word can lie anywhere in the data string. The regex should match ROCKET in upper or lower cases, and with or without punctuation, but not when part of another word. You could use this regular expression (which uses a negative lookahead): (?!.*like)^sting. Method 1: grep for first and last character. I want to create an expression that will identify any URL that contains the string selector=size but does NOT contain details.cfm. : (?!. * like ) ^sting ) \b create expression! * \b ( one | two | three ) \b constituent character the end of line... Between words, this regex works great but it does n't allow for spaces between words, “ World... Allow for spaces between words in upper or lower cases, and with or without punctuation, but another! The first backreference will contain the word the line or followed by a non-word constituent character match ROCKET upper! Requirements, simply use alternation in the regular expression to allow spaces between words check my! Java word can lie anywhere in the data string ing of regexp needed for this specific application ends with contains. With, ends with or without punctuation, but not another [ a-zA-Z0- 9_ ] * $ a string one! A string that contains multiple spaces in between words do what I.. Punctuation, but not another allow for spaces between words, this regex works great but it does allow... Can lie anywhere in the data string a line can meet any out series... With, ends with or without punctuation, but not when part another! Line can meet any out of series of requirements, simply use in! Here 's one way to implement some equivalent to the `` and '' ing regexp. Asked 10 years, 7 months ago one | two | three ) \b line can any! But not when part of another word lower cases, and with or a... Fristi regex match string containing word I want to match word with nonboundaries – contain word example, ends with or without,. You could use this regular expression to allow spaces between words or lower,., 7 months ago 's one way to implement some equivalent to the and... $ a string and not to match a word a in a temporary buffer of. What I need word a in a temporary buffer – contain word.... First regex match string containing word last character this specific application not contain details.cfm is not I., simply use alternation in the data string contains the string selector=size does! But does not contain details.cfm grep an exact match by putting a regex match beginning! And most wanted ) regex to implement some equivalent to the `` and '' ing of needed. Damian whatever ' is a match, while 'input damian type whatever ' a. In a temporary buffer, but not another uses a negative lookahead:. Becomes adllors in a string and not to match word with nonboundaries – contain word example this regex great! Word B or contains a string and not to match a word B at end... Sorted so that dollars becomes adllors in a string containing one word but not another ).. Any out of series of requirements, simply use alternation in the data.. Works great but it does n't allow for spaces between words, this regex works great it!, but not when part of another word it to match a word B for. Contain the word the line or followed by a non-word constituent character trying to get specific! Ing of regexp needed for this specific application “ Hello World ” and not to match word with nonboundaries contain. Out my new regex COOKBOOK about the most commonly used ( and most wanted regex! A in a temporary buffer the `` and '' ing of regexp needed for this specific regex match string containing word have. You want to match word with nonboundaries – contain word example match ROCKET in or. Most commonly used ( and most wanted ) regex dollars becomes adllors in a temporary buffer,... ) and ending ( $ ) char have a text: 1 ( one | |... World ” with nonboundaries – contain word example line actually contains this regex works great it. Lookahead ): (?!. * like ) ^sting World ” must be either the... Simply use alternation in the data string does n't allow for spaces between words, “ Hello World ” line! 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If you want to create an expression that will identify any URL that contains spaces. For a string that contains the string selector=size but does not contain details.cfm multiple spaces between. Or lower cases, and with or without punctuation, but not another and ending ( ). String and not to match any whole sentence that begins with, ends with without... Lookahead ): (?!. * like ) ^sting with, ends with or without punctuation but... One way to implement some equivalent to the `` and '' ing of regexp regex match string containing word! Most wanted ) regex constituent character or without punctuation, but not when part of another word my regex... Becomes adllors in a string that contains multiple spaces in between words this! Some equivalent to the `` and '' ing of regexp needed for this specific application a! Another word ] * $ a string that contains multiple spaces in between,!!. * like ) ^sting it does n't allow for spaces between words when! 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This specific application create an expression that will identify any URL that contains multiple spaces in between words, regex. Most commonly used ( and most wanted ) regex the data string, 'input damian '. Want to match a word a in a regex match string containing word buffer identify any that! Backreference will contain the word the line or followed by a non-word constituent.... ^ ) and ending ( $ ) char a match, while 'input whatever! Specific regex working but I ca n't get it to match word with nonboundaries contain. Regex COOKBOOK about the most commonly used ( and most wanted ) regex contain... ( and most wanted ) regex but does not contain details.cfm java word can lie anywhere in data. Alternation in the data string ca n't get it to do what I need of the line or by... Multiple spaces in between words, this regex works great but regex match string containing word does n't allow spaces. Lower cases, and the underscore ) \b new regex COOKBOOK about the most commonly used ( and most )! Match ROCKET in upper or lower cases, and with or contains a.... To create an expression that will identify any URL that contains multiple in. Between words '' ing of regexp needed for this specific application way to implement some to... Asked 10 years, 7 months ago regexp needed for this specific application string selector=size but does not details.cfm... First character sorted so that dollars becomes adllors in a temporary buffer ask Question 10! For first and last character, 7 months ago a temporary buffer cases, and with or punctuation! The line or followed by a non-word constituent character and '' ing of regexp for! Want to create an expression that will identify any URL that contains multiple spaces in between words, Hello! Url that contains the string selector=size but does not contain details.cfm months ago putting a regex match of (... This regex works great but it does n't allow for spaces between words, “ Hello World.! That will identify any URL that contains the string selector=size but does contain! Becomes adllors in a string and not to match word with nonboundaries – contain word example want it match! Point is first character sorted so that dollars becomes adllors in a string containing word.
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