Replace all whitespace characters

Question

I want to replace all occurrences of white space characters  space  tab  newline  in JavaScript  How to do so     I tried   str replace    gi   X

User · Answer

Try this   str replace   s g   X

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You could use the function trim let str        Hello World         alert  str trim     All the front and back spaces around Hello World would be removed

User · Answer

If you use   str replace   s g         it replaces all whitespaces  For example   var str    hello my world   str replace   s g        the result will be  hellomyworld

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I ve used the  slugify  method from underscore string and it worked like a charm   https   github com epeli underscore string slugifystring--string  The cool thing is that you can really just import this method  don t need to import the entire library

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We can also use this if we want to change all multiple joined blank spaces with a single character   str replace   s  g  X      See it in action here  https   regex101 com r d9d53G 1  Explanation        s    g       s  matches any whitespace character  equal to   r n t f v      Quantifier     Matches between one and unlimited times  as many times as possible  giving back as needed  greedy           Global pattern flags     g modifier  global  All matches  don t return after first match

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Not  gi but  g  var fname    My Family File jpg  fname   fname replace    g       console log fname     gives   My Family File jpg

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Have you tried the  s   str replace   s g   X

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You want  s     Matches a single white space   character  including space  tab  form   feed  line feed       Equivalent to     f n r t v u00a0 u1680 u2000- u200a u2028 u2029 u202f u205f u3000 ufeff    in Firefox and    f n r t v  in IE     str   str replace   s g   X

User · Answer

Actually it has been worked  but  just try this   take the value   s g into a string variable like   String a     s g   str   str replaceAll a  X

User · Answer

s is a meta character that covers all white space  You don t need to make it case-insensitive     white space doesn t have case   str replace   s g   X

[javascript] Replace all whitespace characters

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