the "+" requires at least one occurrence and \d is a synonym for [0-9] see www.regular-expressions.info EDIT: I tried your command, which returned the entire line, leading me to believe that sed's behavior is to return any line that matches, when given as you had it. I am attempting to get a the substring of a string using sed since it seemed the best solution for this. How to use sed to extract substring. Ask Question Asked 7 years, 3 months ago. Extract substring using regular expression on a Unix file. sed should do the trick, if you do not know what the substring is, but know some pattern that is around it. 16. Notice the parenthesis signs need to be escaped inside the sed expression. I am attempting to get a the substring of a string using sed since it seemed the best solution for this. You can pick a different delimiter to avoid having to quote / . *\)game/\1/p' OUTPUT: 12343. shawnamiller: Programming: 8: 04-30-2010 12:46 PM: extract substring using sed and regular expressions (regexp) lindylex: Programming: 20: 12-22-2009 11:41 AM: Extract … 2020/11/28 2020/11/28 - Dallas-World Wide Web. I would like to sed to stop at the first instance of the end of my regex, much like instr() functions in many languages return the first instance. Hi, I have looked all over for this. I would like to extract a number substring using sed. I have a string where I need to extract a substring from, but the end of my regex is repeated. and so on." Hi, I have looked all over for this. for example, if you want to find a substring of digits that starts with a "#" sign, you could write something like: sed 's/^. I have a file containing the following . Viewed 153k times 58. grep and sed are probably the tools you want, depending on the structure of text. For example my string is: "zzz foo to you and bar123 or foo" I would like to extract the text between "and" and "or" (it could be anything, but that was my test string). Is there any way to extract part of string/sentence, given only the from and to index of starting and ending position of the substring? Rep: extract substring using sed and regular expressions (regexp) [ Log in to get rid of this advertisement] I would like to extract a number substring using sed. echo "ifeelfat398pounds" | sed -n -e '/ [0-9]/,/ [0-9]/p'. Leave a Comment Cancel reply. Bash extract substring from file The regular expression is a basic regular expression, and in addition you need to quote the delimiter for the s command. This tutorial is meant as a brief introductory guide to sed that will help give the beginner a solid foundation regarding how sed works. extract substring from string in C: baddah: Programming: 6: 02-02-2010 04:22 AM: Sed/awk help with regular expressions needed: AP81: Programming: 3: 07-28-2008 07:26 AM: Extract substring matching a regular expression: tikit: Linux - General: 2: 02-18-2008 01:47 PM: Replace substring with SED: marri: Programming: 2: 07-09-2005 05:18 PM: Sed … You'll have to quote that character instead, but usually the point of changing the delimiter is to pick one that doesn't occur in either the text to replace … Example: echo "ifeelfat398pounds" | sed -n -e '/[0-9]/,/[0-9]/p' This is a very simple task but. Extract substring using sed: hweontey: Linux - Newbie: 1: 02-22-2011 04:27 AM [SOLVED] Extract multiple lines of data from a text file. Ask Question Asked 7 years, ... How can I use regular expression on this file such that I get the output such as. echo 'nice12343game' | sed -n 's/nice\(. Sed extract substring. use sed to extract a substring using regular expressions. How to extract the substring using regex given only the index? Eg: "this is an example00001. This is a very simple task but I have tried lots of combinations and have failed. Active 10 months ago. "and" and "or" are unique in the … ... Browse other questions tagged sed grep awk regular-expression or ask your own question. Extract substring using sed: hweontey: Linux - Newbie: 1: 02-22-2011 04:27 AM: extract substring using sed and regular expressions (regexp) lindylex: Programming: 20: 12-22-2009 11:41 AM: sed - regular expression: Vilmerok: Programming: 5: 02-26-2009 09:44 AM: sed regular expression: Ammad: Linux - General: 7: 10-29-2008 06:52 PM: Extract … You must be logged in to post a … *#\([0-9]\+\)/\1/g' … Hi, I have tried lots of combinations and have failed guide to sed that will give. Such as regex is repeated would like to extract a number substring using regular expression on a Unix file tried... Escaped inside the sed expression have looked all over for this to quote / as. Structure of text get a the substring is, but know some pattern that is it! A very simple task but I have looked all over for this, but know some that... / [ 0-9 ] /, / [ 0-9 ] /, / [ 0-9 ] /, / 0-9... I have tried lots of combinations and have failed escaped inside the sed.. 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