I need to modify this pattern. Its working good when string have only one space between words. But I can have sometimes double space (I want only one), so I must add some count to my pattern, but I dont have idea how to do it
/^\w+( +\w+)*$/u
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1The pattern supports 1 or more spaces between words - see [this demo](https://regex101.com/r/VuWJPH/1). If you want to only support 1 space, remove `+` after space in the pattern. See [this demo](https://regex101.com/r/VuWJPH/2). – Wiktor Stribiżew Feb 21 '18 at 11:35
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2Then remove the plus sign after the space. – Andy G Feb 21 '18 at 11:37
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Btw what language do you use? – mrzasa Feb 21 '18 at 11:58
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@mrzasa I'm using php – Bolek Lolek Feb 21 '18 at 14:51