allow only characters in TextBox allow only decimals numbers Allow Only Numeric and Float in asp:TextBox ? Allow only two special characters in Regex Allow postive and negative decimal numbers only using Javascript allow the user to select the destination folder for file download? allowing a text...
Submitted byFiras Dib-10 years ago(Last modified a year ago) Regex for only alphabets Regular Expression PCRE (PHP <7.3) Description Regex for only alphabets Submitted byanonymous-3 years ago
\w - Matches any alphanumeric character (digits and alphabets). Equivalent to [a-zA-Z0-9_]. By the way, underscore _ is also considered an alphanumeric character. ExpressionStringMatched? \w 12&": ;c 3 matches (at 12&": ;c) %"> ! No match \W - Matches any non-alphanumeric ch...
In case additional attention is required for particular languages such as Bengali or Spanish, it is recommended to include them using \p{sc=Bengali} or \p{sc=Spanish}. For instance, Bengali has surrogate alphabets like া, ে, and ৌ, therefore, the codepoint must first identify Bengali...
Textbooks restrict themselves to alphabets of size 1-5 usually, when talking about DFAs/NFAs/regular expressions. But with JS regexps, we have all of unicode as our alphabet. Granted, there can be efficient ways of representing transition functions using sparse arrays and other clever hacks ...
allow only characters in TextBox allow only decimals numbers Allow Only Numeric and Float in asp:TextBox ? Allow only two special characters in Regex Allow postive and negative decimal numbers only using Javascript allow the user to select the destination folder for file download? allowing a text...