How to Remove a Repeating JavaScript Regular Expression
JavaScript regular expression searches provide developers with a method that searches a string using a pattern algorithm. You use regular expressions to search strings for repeated characters, so you can remove the characters or add additional characters to the string. Regular expressions have a specific syntax to find repeating characters.
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Instructions
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Open your preferred JavaScript or HTML editor. Open the file that contains your other JavaScript functions.
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Create the regular expressions string. The following string sets up a regular expressions search for repeated characters: var search = /^([a-z])\1+$/;.
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Search the string for the repeated string. The following code returns "true" if a repeated string is found: var found = patt.test(str);.
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