regex for allowing SINGLE white space in between words
I m using the following regex for the same:
^S.*S$
but this regex is not working in case of multiple spaces in between words.
and one more thing, it doesnt allow you to enter a single character
I want to validate no leading and trailing space and single white space in between words, words can include anything alphanumeric as well as special character.
if i m trying to enter 'a' in the text box, its not accepting
regex
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
|
show 3 more comments
I m using the following regex for the same:
^S.*S$
but this regex is not working in case of multiple spaces in between words.
and one more thing, it doesnt allow you to enter a single character
I want to validate no leading and trailing space and single white space in between words, words can include anything alphanumeric as well as special character.
if i m trying to enter 'a' in the text box, its not accepting
regex
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
"Working" and "not working" suggest you know what you want, but I can't tell from reading this what that is. Provide some examples of input and desired output and you'll get better answers.
– Edward
Dec 5 '14 at 11:59
What are you trying to achieve? Post some examples for valid and invalid matches.
– Avinash Raj
Dec 5 '14 at 11:59
this regex should give true for following: shashank shekhar
– Shashank Shekhar
Dec 5 '14 at 12:00
1
It will be better if your provide examples here. For input A expected output will be B.
– fhnaseer
Dec 5 '14 at 12:01
1
Add example in your question, not in comments,
– fhnaseer
Dec 5 '14 at 12:04
|
show 3 more comments
I m using the following regex for the same:
^S.*S$
but this regex is not working in case of multiple spaces in between words.
and one more thing, it doesnt allow you to enter a single character
I want to validate no leading and trailing space and single white space in between words, words can include anything alphanumeric as well as special character.
if i m trying to enter 'a' in the text box, its not accepting
regex
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
I m using the following regex for the same:
^S.*S$
but this regex is not working in case of multiple spaces in between words.
and one more thing, it doesnt allow you to enter a single character
I want to validate no leading and trailing space and single white space in between words, words can include anything alphanumeric as well as special character.
if i m trying to enter 'a' in the text box, its not accepting
regex
regex
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
edited Dec 5 '14 at 12:13
Shashank Shekhar
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
asked Dec 5 '14 at 11:57
Shashank ShekharShashank Shekhar
1315
1315
"Working" and "not working" suggest you know what you want, but I can't tell from reading this what that is. Provide some examples of input and desired output and you'll get better answers.
– Edward
Dec 5 '14 at 11:59
What are you trying to achieve? Post some examples for valid and invalid matches.
– Avinash Raj
Dec 5 '14 at 11:59
this regex should give true for following: shashank shekhar
– Shashank Shekhar
Dec 5 '14 at 12:00
1
It will be better if your provide examples here. For input A expected output will be B.
– fhnaseer
Dec 5 '14 at 12:01
1
Add example in your question, not in comments,
– fhnaseer
Dec 5 '14 at 12:04
|
show 3 more comments
"Working" and "not working" suggest you know what you want, but I can't tell from reading this what that is. Provide some examples of input and desired output and you'll get better answers.
– Edward
Dec 5 '14 at 11:59
What are you trying to achieve? Post some examples for valid and invalid matches.
– Avinash Raj
Dec 5 '14 at 11:59
this regex should give true for following: shashank shekhar
– Shashank Shekhar
Dec 5 '14 at 12:00
1
It will be better if your provide examples here. For input A expected output will be B.
– fhnaseer
Dec 5 '14 at 12:01
1
Add example in your question, not in comments,
– fhnaseer
Dec 5 '14 at 12:04
"Working" and "not working" suggest you know what you want, but I can't tell from reading this what that is. Provide some examples of input and desired output and you'll get better answers.
– Edward
Dec 5 '14 at 11:59
"Working" and "not working" suggest you know what you want, but I can't tell from reading this what that is. Provide some examples of input and desired output and you'll get better answers.
– Edward
Dec 5 '14 at 11:59
What are you trying to achieve? Post some examples for valid and invalid matches.
– Avinash Raj
Dec 5 '14 at 11:59
What are you trying to achieve? Post some examples for valid and invalid matches.
– Avinash Raj
Dec 5 '14 at 11:59
this regex should give true for following: shashank shekhar
– Shashank Shekhar
Dec 5 '14 at 12:00
this regex should give true for following: shashank shekhar
– Shashank Shekhar
Dec 5 '14 at 12:00
1
1
It will be better if your provide examples here. For input A expected output will be B.
– fhnaseer
Dec 5 '14 at 12:01
It will be better if your provide examples here. For input A expected output will be B.
– fhnaseer
Dec 5 '14 at 12:01
1
1
Add example in your question, not in comments,
– fhnaseer
Dec 5 '14 at 12:04
Add example in your question, not in comments,
– fhnaseer
Dec 5 '14 at 12:04
|
show 3 more comments
3 Answers
3
active
oldest
votes
Seems like you want something like this,
^S+(?: S+)*$
S matches any non-space character.
DEMO
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
1
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
add a comment |
[A-Za-z]+(s[A-Za-z]+)? you can use this to put single space between words
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
add a comment |
Just assert that two spaces don't appear;
^(?!.*ss)S(.*S)?$
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
Seems like you want something like this,
^S+(?: S+)*$
S matches any non-space character.
DEMO
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
1
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
add a comment |
Seems like you want something like this,
^S+(?: S+)*$
S matches any non-space character.
DEMO
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
1
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
add a comment |
Seems like you want something like this,
^S+(?: S+)*$
S matches any non-space character.
DEMO
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
Seems like you want something like this,
^S+(?: S+)*$
S matches any non-space character.
DEMO
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
answered Dec 5 '14 at 12:20
Avinash RajAvinash Raj
142k14115162
142k14115162
1
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
add a comment |
1
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
1
1
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
thanks buddy..this worked :)
– Shashank Shekhar
Dec 5 '14 at 12:25
add a comment |
[A-Za-z]+(s[A-Za-z]+)? you can use this to put single space between words
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
add a comment |
[A-Za-z]+(s[A-Za-z]+)? you can use this to put single space between words
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
add a comment |
[A-Za-z]+(s[A-Za-z]+)? you can use this to put single space between words
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
[A-Za-z]+(s[A-Za-z]+)? you can use this to put single space between words
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
answered Dec 5 '14 at 12:01
Sandy RawatSandy Rawat
399410
399410
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
add a comment |
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
i need to use alphanumeric as well as special characters and its not working if i want to enter a single character
– Shashank Shekhar
Dec 5 '14 at 12:05
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
@ShashankShekhar why you failed to add explanation in your question?
– Avinash Raj
Dec 5 '14 at 12:09
add a comment |
Just assert that two spaces don't appear;
^(?!.*ss)S(.*S)?$
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
add a comment |
Just assert that two spaces don't appear;
^(?!.*ss)S(.*S)?$
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
add a comment |
Just assert that two spaces don't appear;
^(?!.*ss)S(.*S)?$
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
Just assert that two spaces don't appear;
^(?!.*ss)S(.*S)?$
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
answered Dec 5 '14 at 12:26
Bohemian♦Bohemian
295k64415553
295k64415553
add a comment |
add a comment |
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"Working" and "not working" suggest you know what you want, but I can't tell from reading this what that is. Provide some examples of input and desired output and you'll get better answers.
– Edward
Dec 5 '14 at 11:59
What are you trying to achieve? Post some examples for valid and invalid matches.
– Avinash Raj
Dec 5 '14 at 11:59
this regex should give true for following: shashank shekhar
– Shashank Shekhar
Dec 5 '14 at 12:00
1
It will be better if your provide examples here. For input A expected output will be B.
– fhnaseer
Dec 5 '14 at 12:01
1
Add example in your question, not in comments,
– fhnaseer
Dec 5 '14 at 12:04