Regular Expression Any character that is NOT a letter or number

Question

I m trying to figure out the regular expression that will match any character that is not a letter or a number  So characters such as            etc      Once found I want to replace it with a blank space   Any advice

User · Answer

try doing str replace     w     It will replace all the non-alphabets and numbers from your string   Edit 1  str replace     w  g

User · Answer

Have you tried str   str replace   W   g      it will return a string without any character and you can specify if any especial character after the pipe bar   to catch them as well   var str    1324567890abc      John Doe      replace   W   g       it will return str   1324567890abcJohnDoe  or look for digits and letters and replace them for empty string        var str    1324567890abc      John Doe      replace   w   g       it will return str

User · Answer

You are looking for   var yourVar    1324567890abc        yourVar   yourVar replace    a-zA-Z0-9  g          This replaces all non-alphanumeric characters with a space   The  g  on the end replaces all occurrences   Instead of specifying a-z  lowercase  and A-Z   uppercase  you can also use the in-case-sensitive option     a-z0-9  gi

User · Answer

This regular expression matches anything that isn t a letter  digit  or an underscore     character    W   For example in JavaScript               asdf 345345  replace   W g           Output             asdf 345345

User · Answer

To match anything other than letter or number you could try this     a-zA-Z0-9    And to replace   var str    dfj dsf7lfsd  sdklfj   str   str replace    A-Za-z0-9  g

User · Answer

To match anything other than letter or number or letter with diacritics like    you could try this      w  -    -      And to replace   var str    dfj dsf7   lfsd  sdklf  j1   str   str replace     w  -    -    g          Inspired by the top post with support for diacritics  source

User · Answer

This is way way too late  but since there is no accepted answer I d like to provide what I think is the simplest one   D - matches all non digit characters    x000D   x000D  var x    123 235-25    x000D  x replace   D g       x000D   x000D   x000D    Results in x   12323525   See https   developer mozilla org en-US docs Web JavaScript Guide Regular Expressions

User · Answer

Just for others to see   someString replaceAll       p L   p N              will remove any non-letter and non-number unicode characters    Source

User · Answer

Match letters only   A-Z  ig Match anything not letters    A-Z  ig Match number only   0-9  g or   d  g Match anything not number    0-9  g or   D  g Match anything not number or letter    A-Z0-9  ig   There are other possible patterns

[javascript] Regular Expression: Any character that is NOT a letter or number

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