Regex that accepts only numbers (0-9) and NO characters
54944
Regex for numbers only
12963
What is a non-capturing group in regular expressions?
147833
Matching numbers with regular expressions — only digits and commas
150982
Java String - See if a string contains only numbers and not letters
1358
Validate that string contains only allowed characters in Ruby
94701
How to make regex accept only uppercase and lowercase letters with accents in java?
147632
Regex phone number to accept +
133909
regex to allow atleast one special character, one uppercase, one lowercase(in any order)
7569
How do you match only valid roman numerals with a regular expression?
118954
Minimum Length Regular Expression
53124
How to make HTML input tag only accept numerical values?
37140
Zero-pad digits in string
45636
RegEx for Javascript to allow only alphanumeric
43339
Regular expression to match non-ASCII characters?
85361
Regular Expression: Numeric range
3951
Validate decimal numbers in JavaScript - IsNumeric()
137184
RegEx to parse or validate Base64 data