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How do I find out if first character of a string is a number?
...IN :
Suppose that you have a String like this :
private val phoneNumber="9121111111"
At first you should get the first one :
val firstChar=phoneNumber.slice(0..0)
At second you can check the first char that return a Boolean :
firstChar.isInt() // or isFloat()
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Cleanest and most Pythonic way to get tomorrow's date?
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Mark RushakoffMark Rushakoff
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Merge git repo into branch of another repo
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edited Nov 21 '19 at 20:25
answered Jan 25 '14 at 17:34
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How do I sort one vector based on values of another
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answered Oct 14 '09 at 21:47
Ian FellowsIan Fellows
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Android layout replacing a view with another view on run time
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answered Sep 21 '10 at 11:55
brootbroot
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How do I draw a grid onto a plot in Python?
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Peter Mortensen
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answered Nov 21 '11 at 11:00
Andrey SobolevAnd...
Change a column type from Date to DateTime during ROR migration
... definition.
– Dennis
Feb 25 '14 at 21:35
2
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What is the difference between an ORM and an ODM?
...y!
– Arnaud Bouchez
Jul 4 '14 at 11:21
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Partly JSON unmarshal into a map in Go
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answered Jun 16 '12 at 21:15
Stephen WeinbergStephen Weinberg
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String concatenation in MySQL
...tenation operators.
– DonBecker
Mar 21 '13 at 18:06
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Beware this is not entirely true: MySQL do...