Validate Bangladeshi phone number with optional +88 or 01 preceeding 11 digits
312
How to validate phone numbers using regex
74098
In Python, is there a way to validate a user input in a certain format?
126708
Finding the missing digits of $23!$
74365
How to convert a one digit number to a two digit number
23744
Is it possible to increment numbers using regex substitution?
74167
Call a GSM Service #123*
6138
Combination of a 4-digit number
24893
Phone number validation Android
50749
Convert number into xx.xx million format?
118643
Validating input using java.util.Scanner
51317
Regular expression to match digits and basic math operators
110391
Password validation (regex?)
43229
How to check if a string contains only digits in Java
46145
Grouping digits according to the Indian numbering system in siunitx
34380
How to handle numbers bigger than machine representative number?
91683
What regular expression will match valid international phone numbers?
426
Regular expression for address field validation