Search
showing results for - "how to check if a string is alphabetic in javascript"
Carmen
21 Jul 2017
1function isLetter(str) {
2  return str.length === 1 && str.match(/[a-z]/i);
3}
source
Till
06 Sep 2019
1function isAlphaOrParen(str) {
2  return /^[a-zA-Z()]+$/.test(str);
3}
4
5/*/^[a-zA-Z()]*$/ - also returns true for an empty string
6/^[a-zA-Z()]$/ - only returns true for single characters.
7/^[a-zA-Z() ]+$/ - also allows spaces*/
8//better regEX to include question marks too
source
Lucie
08 Sep 2017
1function isAlphaOrParen(str) {
2  return /^[a-zA-Z()]+$/.test(str);
3}
4
source
similar questions
javascript loop over the alphabet and return the vowelsfind vowels in string javascriptjavascript sort array strings alphabeticallyjs order alphabeticallyfind the vowel jsjavascript is a string numbericjavascript sort array alphabeticallyfind only vowels in string javascripthow to check how many strings are in a sentence javascriptalphabet array jslist of alphabet letter english for jshow to make an alphabet in javascriptjavascript compare and sort strings alphabeticallycheck if something is a letter in jshow to check if a string has only alphabets in javascriptname should contain only alphabets not numbers or other special characters javascript conditionscount vowels in a string javascriptjavascript number in alphabetvowel check in javascriptalphabetical order array javascriptjavascript sort strings alphabeticallyis a letter javascriptjs get alphabet as arrayhow to sort array alphabetically in javascriptmake alphabet js
queries leading to this page
check letter are alphabet in javascripttext field accept only alphabets when focus on input field show error in javascriptregex for alphabets javascriptcheck if a string contains alphabets javascripthow to check if string is all letters javascriptget aplhabet character which not used in javascripthow to read the alphabets of a name in jschecking if a character is an alphabet in jscheck if all characters are alpha regex jscheck whether given character is alphabet or not javascrip 5btchar is alphabetic jsregex check only letters javascripthow to check given character is alphabet or number in javasscriptjavascript to validate alphabets javascript regex check alphabetregex to check if a value is alphabets in javascripthow to check words i alphabetic in javascriptjava scirpt validation to check charactercheck alphabet in jscheck if character is not a letter javascripthow to check whether a string contains only alphabets in javascriptjs check letters in inputhow to check if an elements is a letter in jsregex validate inputs for a z a z javascripthow to check if a string contains all alphabets in javascriptjavascript check only alphabetsjavascript check is alphabethow to check whether a character is alphabet or not in javascripthow to tell if character is a letter or number javascriptcheck alphabet jsmake sure string contains just letters javascriptcheck if the string matches alphabet javascriptcontain all alphabets java scriptjavascript check character is alphabetcheck if input is only letters javascript using broewercheck if is alphabet characrter jscheck is alphabet in jsall alphabet contained in javascriptonly alphabet regex javascriptcheck if string has only alphabets javascriptjavascript check character typecheck char in input javascripthow to check if a string contains only alphabets and numbers in javascriptcheck if there is a only alphabet character in a string javascriptjavascript check if a zjs check if input has lettershow to find alphabets in word in javascirptcheck string is alphabet javascriptjavascript function to validate username starts with a lettercheck if a string contains any alphabet characters javascriptcheck if character is alphabetic javascriptjavascript check if char is alphabeticjs check if is letter or numbercheck if char is alphabet javascriptmatch alphabet jshow can i check if a stringg character is a letter of the english alphabet in javascriptin js 2c do individual letters in the alphabet have a specific value 3fjavascript check if string is not alphabeticalhow to check alphabet in word bby using jsjavascript validate name only letterscheck if string is alphabet jsall letters jshow to check if a character is english letter in javascriptis only letters jshow to check for alphabets in javascriptjavascript check if string consists of only alphabetsjust check alphabet or not in javascriptjavascript all lettersjavascript check if string is alphabetic how to check if a string contains alphabetic characters javascript how to check letter jscheck for alphabets in javascripthow to get alphabet value in javascriptjavascript check any one alphabetcheck letter is an alphabet in jstype only one char web jscheck if they are alphabets or not in javascriptcheck for digit or alphabet in a string javascriptcheck if variable is alphabet in javascripthow to check if all characters in string are letters javascriptcheck if string is alphabetic javascriptjavascipt check letters alphabetical how t check if alphabet is in string javascriptjavascript validation to allow alphabetscheck if character is in alphabet javascriptjavascript check if string contains all alphabetsjavascript check if character is alphabethow to write a name to validation letter in jssjs check string letterhtml5 check if field is lettersjs validate letters onlyhow to check a charcter is an english alphabet or not in jsjs check if variable is alphabeticallyjs string is alphabeticjavascript string contains only letters how to check if a char is alphabet or not in javascriptcheck only alphabets in javascripthow can i verify that username starts with a alphabet in input field javascriptjs alphabetic checkif alphabetic jsjavascript check if word is all alphabetjavascript check if letterjs find alphabet in a wordjavascript check if character is alphabeticcheck whether a character is alphabet or not jsjavascript if string is valid lettersjavascript check if text contains alphabetsis alphabet javascripthow to check for alphabet in javascripthow to check if char is alphabet in jsjavascript check if entered value is alphabeticalcheck if a value is not an alphabetical letter javascriptjava script method that checks if is a lettercheck if string has alphabet javascriptjavascript only text validationisalphabetic javascripthow to check if a sring only contains alphabets in javascriptcheck alphabet in a word javascriptjs check if input is lettersjavascript test if a number includes letterscheck if string is a letter javascriptjavascript validate string only letterscheck if input is alphabet javascripthow to check if value contains alphabets in javascriptcheck for letters in string javascripthow to check if all alphabet letters is used in javascriptregex code to check if a z javascripthow to check this text contains any alphabets in javascripthow to check if a character is an alphabet jscheck if alphabet or not javascriptcheck for alphabet in jsjavascript check if string contains alphabetscheck if character is alphabet jscheck whether alphabet or not javascriptcheck if a character is an alphabet in javascriptif message has letters javascriptjs check all alphabets in a stringcheck if char is alphabetic javascriptcheck string doesnt have alphabets in javascriptname should contain only alphabets in javascripthow to check if an alphabet is inside a string javascriptjs check letters numberwrite a javascript program to check whether a character is an alphabet or not if it a letter or number javascriptw3c check js on alphabetcheck alphabet which not used in javascriptjs find alphabet wordjs all letter validatestring contains letts form validationhow to check whether the characters is alphabet or not in javascripthow to check strictly this letter only there javascripthow to check if prompt value is alphabet or not in javascriptjavascript if not letter of alphabethow to check alphabet in javascriptcheck for alphabet or number jscheck if something is not an alphabet character javascriptcheck whether given character is alphabet or not javascripthow to check an input for english letters only withjavascriptjavascript check if string contains only lettershow to check if an element is a letterr in javascriptjs if lettersjs isletterjavascript for lettersjavascript to validate alphabets onlyhow to check if a char in js is a number or letterhow to check if a string is alphabetic in javascriptregex for alphabets only in javascriptonly alphabets validation in javascriptfunction to check if string has specific alphabet in javascriptjs validation for characters onlycheck if variable is alphabet or not in jscheck if it 27s a letter javascriptjs function to show typed letterswrite a js program to check whether character is an alphabet or notjavascript check for letterstest string against alphabets in javascriptcheck if element is a letter javascriptverify if a caracter in alphabet javascripthow to check if a char in a string is a number or an alphabet javascripthow to check is string have only one character alphabet jsphp input string only ul alphabetsalphabet in string string jsalphabet or not nodejs node jsletters only regex javascriptjava script method that checks if is a letter without regexvalidation for only alphabets in javascripthow to check a character is alphabet in javascriptvalidation for only text in javascriptjs check letterhow to check if you used letters in javascriptjavascript check if value is letterhow to check only alphabets in javascriptjavascript check if value is alphabetichow to check if a string has an alphabet character in javascriptcheck alphabetic regex jshow to find a word that contains alphabets in jscheck character input javascriptcheck if it is an alphabet jsfind alphabet in string jsstring must ave 40 and alphbets and jshow to check if a string has only alphabets and n in javascriptcheck alphabet or not javascriptcheck if no alphabets in string javascriptjavascript check if string only contains letterscheck if there is a only alphabet character in a string javascripttdetect letters jshow to check if the entered value is an alpabet in javascriptcheck if input is only letters javascript using browserhow to check if a string contains only alphabets in javascripthow to check whether given input is alphabet in javascriptjavascript check any one alphabetscheck if char is alphabet angularregular expression for alphabets javascripthow to check if a string has a alphabets in javascriptjavascript regex alphabethow to check if a string contains alphabets in javascriptjs check if var is lettercheck string is alphabet jscheck string validation javascriptjavascript check input characteris a alphabet in jshow to check character is alphabet in javascriptcheck if string has aphabet javascriptcheck where letter stands in alphabet jscheck if char is alphabet angular 8show all values that match letters in javascripthow to check if a value contains alphabet in jshow to detect if any alphabet is not present in jsalphabet check javascriptjavascript test if not a lettertext validation in javascriptcheck alphabetic javascripttest is have alphabet in string jshow to check if value is alphabet in javascriptjavascript is not a letterjs validate name alphabetshow to find if a character is alphabet in javascriptjavascript check if contains string only has alphabetcheck if a letter is a character javascriptcheck a character is alphabet or not in javascriptcheck if string contains an alphabet javascriptjavascript match if its alphabetwrite a javascript program to check whether a character is an alphabet or notcheck if something is a letter in javascriptjavascript how to check so there is only letter being inputcheck if alphabet javascriptregex to check if string contains alphabets javascriptjavascript check if character is lettertest if string contains non alphabetic characters jscheck if string contains alphabets javascriptgiven a string check if it contains all the letters of the alphabet javascriptjavascript check is alphabet in stringcheck if every letter in alphabet javascriptjs check if alphabethow to check string contains alphabets in javascriptcheck if string contains only letters regular expression javascriptjavascript how to check if character is letterget only letters from string javascriptjavascript check if text is alphabeticjavascript check if alphabet is there or nothow to check if character is alphabet in javascriptjs program to check if given string contains only alphabetsjs how to check if a character is alphabeta js function that checks a string for dulacet letters in jsjavascript check if any letter or digit comes after lettersee if string has alphabet javascriptname validation in javascript only alphabets and show errorcheck to see if a letter javascipttest if all letters are in word javascriptchecking if it 27s alphabetic character javascripthow to check if string contains alphabet javascriptvar for letters jsalpha characters only javascriptalphabet regex javascriptregex to check if every letter of alphabet jsjs check if letter is in alphabethow to identify letters in the alphabet jsjavascript check if string for alphabetjavascript only alphabets validationif alphabet javascript statementjs check if char is in alphabetjavascript check if string is all alphajavascript check if string is alphabet onlyjs check alphabetcheck if letter javascripthow to check if a string has only alphabets in javascriptjavascript if alphabeticjavascript check for many letterscheck alphabet in javascriptidentify if string is alphabet or not javascriptjavascript alphabet checkalphabets javascript validatejavascript string check if contains whole alphabets javascript validate alpha onlyjs check if string is a letterall leters javascriptcheck if character is alphabet javascriptjavascript search string alphabethow to check a number is alphabet in javascripthow to include all alphabetic characters javascriptjavascript validation for alphabets onlycheck if is a letter in jsjs check if string has only lettersjavascript how to check if i have lettersjavascript form validation alphabetico nlyhow to check if an alphabet is in a string javascriptregular expression to check alphabets in jsmatch letter javascriptstring is alphabetic javascriptcheck if a letter is a number javascriptjs contains all alphabets or not w3 resourcescheck character is alphabet in javascriptjavascript string validation only a to zjs check string by alphabeticjavascript is alphabetic characterjavascript alphabet validationcheck if value is integer or alphabet in javascriptjs check if string has alphabets or numbershow to check if a string has alphabets and special character in javascriptalphabet is jsdetermine if a letter is alphabetical javascriptjavascript check alphabetjavascript validation to allow only alphabetscheck whether any alphabet exists in string javascripthow to check if a string contains all english alphabets in javascriptdetermine if char is letter javascriptjs check if character is alphabetcheck if alphabet or a number jsjavascript check if text is full alphabeticcheck if all letters are same jshow to check all alphabets in javascriptcheck if a character is alphabet javascriptis alphabet in javascriptcheck for letter in jsjavascript check for alphabetic characterschecking if a word contain all characters of alphabet using harshset in javascriptjavascript validation only text examplejavascript check if character is a letterhow to check if all the characterss in word are letters in jsif alphabet exist in javascriptjavascript algorithm check string for all letters of the alphabetnode check string is alphabethow to check if a string is alphabet in jshow to check given value is string or alphabet in javascriptcheck a character is alphabet or not javascriptcheck only letters javascripthow to check if string contains only alphabets in javascriptchecking strings for letters in javascriptcheck whether string contains only alphabets in javascriptsjavascript check first character is alphabetjavascript validation only alphabetscheck string must contains only specific characters 2b javascriptjavascript check string alphabet without regexvalidation for name in javascript only alphabetshow to check alphabetcase in javascriptvar letter javascript validationhow i know the code of a letter in jshow to make input accept only letters jscheck if string contains non alphabetic characters javascriptinput text checking only lettersjavascript check string alphabetjavascript checkingnif something is a letterinput only one letter jschecking if a word contain all characters of alphabet in javascriptjavascript is alphabetichow to check for letters in an alphabet jsname validation in javascript only alphabetscheck if value is alphabet javascriptcheck if they are not alphabets in javascripthow to check if its alphabets in javascriptall letter javascriptcheck if a string is an alphabet javascriptfind alphabetic value in javascriptcheck for only alphabets in javascriptjavascript test string letterjava script method that checks if is a letter without javascriptcheck for alphabet in javascriptvar for lettersjavascript validate characterjavascript validation for only accept a z or a z and no more than 20 charactersjs program to check given string contain all the alphabetscheck if every letter in alphabet is used javascriptwho to write the letter o in jsjs how to check if an element is in the alphabethow to include all alphabets characters javascriptcheck every letters in a word javascriptjavascript check if string is only letterscheck if something is an alphabet javascriptcharacter validation in javascriptjavascript is this a letter functionshow to check 1 char is alphabet or not in javascriptjavascript lettersfind if not alphabet or number char jscheck if string only contains alphabets javascriptjavascript check if a z a zname should contain only alphabets not numbers or other special characters javascript conditionscheck to see if character is a letter jscheck if string contains alpha characters javascriptfunction to check if name input on form is lettersusername validation start from alphabet in javascripthow to check if a character is alphabet in jscheck which alphabet is entered javascriptif laphabet character exist in javascripthow to check if a string is alphabetic in javascript