Regular expression to extract numbers from a string

Question

Can somebody help me construct this regular expression please     Given the following strings       April   123 widgets less 456 sprockets     May  789 widgets less 012 sprockets     I need a regular expression that will extract the two numbers from the text  The month name will vary  The brackets   widgets less  and  sprockets  text is not expected to change between strings  however it would be really useful if this text was able to be varied as well   Thanks in advance

User · Answer

you could use something like     0-9    0-9     0-9    0-9       Then get the first and second capture groups

User · Answer

we can use  b as a word boundary and then   b d  b

User · Answer

if you know for sure that there are only going to be 2 places where you have a list of digits in your string and that is the only thing you are going to pull out then you should be able to simply use   d

User · Answer

s   w   s    s   d   D   d   D    s     should work  After the match  backreference 1 will contain the month  backreference 2 will contain the first number and backreference 3 the second number   Explanation           start of string  s      optional whitespace   w     one or more alphanumeric characters  capture the match  s      optional whitespace         a    s      optional whitespace   d     a number  capture the match  D      one or more non-digits   d     a number  capture the match  D      one or more non-digits         a    s      optional whitespace         end of string

[.net] Regular expression to extract numbers from a string

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