If you want only input 0-9 and only once “.” then you can use following regex. /^-?(?:\d+|\d*\.\d+)$/ This matches normal floats e.g. 3.14, shorthands for decimal part only e.g. .5 and integers e.g. 9 as well as negative numbers. echo preg_match(‘/^-?(?:\d+|\d*\.\d+)$/’, ‘123.12’); // return 1 echo preg_match(‘/^-?(?:\d+|\d*\.\d+)$/’, ‘123.12.2’); // return 0
Continue Reading →The match() method searches a string for a match against a regular expression, and returns the matches, as an Array object. Note: If the regular expression does not include the g modifier (to perform a global search), the match() method will return only the first match in the string. This method returns null if no […]
Continue Reading →Here is the way to start and stop Microsoft’s IIS ( Internet Information Services ) or more specifically Microsoft’s Web Deployment Agent Service in Windows 7. If you have installed Microsoft’s Visual Web Developer and now WAMP or XAMPP will not start you will need to stop the Web Deployment Agent Service in Windows to […]
Continue Reading →Some styles of writing and speech have their own special grammar rules, often because of the need to save space or time. Those are, advertisements and instructions Small ads and instructions often leaves out articles, subjects or object pronouns, forms of be and prepositions.Single man looking for flat Oxford area Phone 83234 weekends notes Informal […]
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