Regular Expressions (Regex) in JavaScript - tutorial
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Date: 2022-03-14
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Comments and reviews: 7
Joseph
Question: I have the following regex and text and i would like to match all doubles. However when I try to match them all it skips the 2nd line. How come? Note i am working in bash via mac terminal.
what flags should i used besides -o and -i
([a-z]+) +\1
Paris in the the spring.
The theoretical viewpoint is of little value here.
I view the theoretical viewpoint as being of little value here.
I think that that is often overdone.
This sentence contains contains a doubled word or two two.
Fear fear is a fearful thing.
Writing successful programs requires that the the programmer fully understands the
problem to be solved.
reply
Question: I have the following regex and text and i would like to match all doubles. However when I try to match them all it skips the 2nd line. How come? Note i am working in bash via mac terminal.
what flags should i used besides -o and -i
([a-z]+) +\1
Paris in the the spring.
The theoretical viewpoint is of little value here.
I view the theoretical viewpoint as being of little value here.
I think that that is often overdone.
This sentence contains contains a doubled word or two two.
Fear fear is a fearful thing.
Writing successful programs requires that the the programmer fully understands the
problem to be solved.
reply
Rosso
for anyone wondering whats the difference between the + and the - sign, I got the answer for that.
The + sign is true if you have at least 1 match.
The - sign is true if you have at least 0 matches.
reply
for anyone wondering whats the difference between the + and the - sign, I got the answer for that.
The + sign is true if you have at least 1 match.
The - sign is true if you have at least 0 matches.
reply
Happy
Hi..can someone help me on my problem...how can I sort, filter and set ranges columnwise on notepad ++.. I am struggling to find the right solution for this issue I am facing..thank you in advance..
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Hi..can someone help me on my problem...how can I sort, filter and set ranges columnwise on notepad ++.. I am struggling to find the right solution for this issue I am facing..thank you in advance..
reply
itech
This was a great tutorial man, thanks! I like how you also pointed out a resource for us to use to continue learning and testing it ourselves. Got it is one go and can continue to learn.
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This was a great tutorial man, thanks! I like how you also pointed out a resource for us to use to continue learning and testing it ourselves. Got it is one go and can continue to learn.
reply
justadev__
I don't get where he is testing [a-z]-1,4-. Your testing if it has 1-4 characters? (name is) is more than 4 characters, so how come it evaluates to true?
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I don't get where he is testing [a-z]-1,4-. Your testing if it has 1-4 characters? (name is) is more than 4 characters, so how come it evaluates to true?
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Freda
Idk if it's something in the audio or if his accent is a bit different but I found it quit hard to grasp everything he was saying
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Idk if it's something in the audio or if his accent is a bit different but I found it quit hard to grasp everything he was saying
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At the end you say thank you so much for watching while me must be thankfull to you about your free valuable information.
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At the end you say thank you so much for watching while me must be thankfull to you about your free valuable information.
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