I want to restrict a text box, for this allowing only 1 to 100 numbers with two decimal values with negative sign also. Also, The user SHOULD NOT be allowed to enter 0. TAGs: ASP.Net, Regular Expressions Regular Expressions (Regex) to allow any decimal number starting from 1 upto N decimal places. Reply. The following regular expression ensures that text is between 1 and 10 characters long, and additionally limits the text to the uppercase letters A–Z. Character classes. If anybody known this issue please give me solution. Hello Mahone, try this regex ^\d+(.\d+){0,1}$ this expressio means: $-> The end of the string \d-> the digit ^-> start of string (.\d+){0,1}->you can insert 1 or more than 1 digit in string, but you can insert only 1 times dot(.) raquelcl1 says: July 22, 2018 at 6:11 am. Pattern #1 will match for strings other than those containing numbers from 0 to 9 (^ = not). 2. Url checker Url Validation Regex | Regular Expression - Taha. Saturday, June 29, 2013 1:36 AM. Answers text/html 6/29/2013 1:52:25 AM Acamar 0. This is what I have but something is wrong -- it doesn't seem to take single positive digits. You can modify the regular expression to allow any minimum or maximum text length, or allow characters other than A–Z. Regular Expression to Check if a string only contains numbers. Enter a value with a percent sign. 0 or >100. 44.44. I am trying to create a regular expression to only accept numbers between 0 and 100 with no more than two decimal places. Regular Expression to allow only 1-10 digit. They could enter 0.01 and above up to 100 but they cannot enter 0 or 0.0 or 0.00. Check if a string only contains numbers Check if a string only contains numbers I need a regular expression to validate the user only can write numbers between 1 – 5 and only 1 digit (For Example: 1, 2, 3 but not 10,22,34) Reply. 99.99. >=#01/01/2007# AND <#01/01/2008# Date must occur in 2007. 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